Vocabulary for Achievement - Grade 6                                                  First Course

Lesson 1 Words About Dictionaries

  1. abridged (adj)shortened, usually in reference to a written or spoken work
  2. browse (verb)to look over reading material; sampling different parts
  3. citation (noun)a reference to or a quotation from an authority; an official award for honorable behavior; an official order stating that one must appear in Court
  4. compendium (noun)a short but complete written summary, a collection that includes a variety of written works
  5. entry (noun)ㅡin a reference book, a subject or work and information about it; the means or place by which to come in
  6. etymology (noun)the origin and history of a word
  7. gazetteer (noun)a dictionary of geographical places, including names and information
  8. homonym (noun)a word having the same pronunciation as another word but a different meaning from that word  [do, dew / hear, here]
  9. lexicon (noun)a dictionary; the vocabulary of a particular Subject or group
  10. phonetics (noun)the study of the sounds of a language

Lesson 2 Teaching

  1. clarify (verb)to make clear or understandable
  2. confide (verb)to trust someone with private Or Secret information
  3. disclose (verb)to reveal or to open to view
  4. enlighten (verb)to inform or give new insight
  5. exhibit(verb) to show or arrange for public display; (noun) a display
  6. expound (verb)to explain in detail or talk at length about a particular topic
  7. ingrained (adj)deep-seated; firmly imprinted or fixed
  8. misconception (noun)a mistaken idea
  9. Sage (adj)wise; showing great wisdom; (noun) a person respected for experience and wisdom
  10. seminar (noun)a class or a conference held to discuss ideas on a topic

Lesson 3 Etiquette and Behavior

  1. brusque (adj)rough and short in manner or speech; abrupt;
  2. cordial (adj)warm and friendly; being good-natured and pleasant
  3. dignity (noun)a calm manner indicating self-respect and worthiness; a sense of self-respect
  4. hospitable (adj) open and welcoming to guests
  5. irksome (adj)annoying; irritating; being disagreeable
  6. nicety (noun)a small, often unimportant detail; a fine point; an elegant detail or distinction; a refined feature or custom
  7. propriety (noun)the quality of being proper; appropriateness
  8. refined (adj)very polite or cultured
  9. suave (adj)smoothly agreeable or polite; sophisticated
  10. tact (noun)the ability to speak or act without offending others

Lesson 4 Enthusiasm and Indifference

  1. allure(noun)a strong fascination or attraction; the (verb) to attract with something desirable: power to attract or entice
  2. avid (adj) eager; very enthusiastic
  3. devotion (noun)complete dedication to a Cause or person
  4. effusive (adj)unrestrained or excessive in emotional expression; gushing
  5. exhilaration (noun)excited happiness; completely thrilled
  6. fanatic (noun)a person excessively and unreasonably devoted to a cause or belief
  7. indifferent (adj)not interested in or concerned about something; not Caring; not good or bad
  8. jubilant (adj)filled with joy; extremely happy
  9. reticent (adj)unwilling; reluctant; private about one's affairs; tending to say little
  10. zealous (adj)highly motivated by dedication to a cause, an ideal, or a goal

Lesson 5 Help and Improvement

  1. amelioration (noun) The act of making better or improving
  2. assuage (verb) To relieve or to make less difficult
  3. compensate (verb) To pay; To make up for
  4. conserve (verb) To protect from Wasteful loss
  5. constructive (adj.) Serving as a useful and positive purpose
  6. enhance (verb) To make better or more valuable
  7. enrichment (noun) The act of making something richer or better; improvement
  8. neutralize (verb) To cancel an effect or render it harmless
  9. preservation (noun) The act of keeping something in good health or condition
  10. redeem (verb) To recover or buy back ;To restore honor, Worth, or value

Lesson 6 Thoughts and Beliefs

  1. contemplate (verb)To consider carefully and thoughtfully
  2. conviction (noun)A very strong belief or opinion; Being found guilty
  3. disseminate (verb)To make widely known to spread
  4. engross (verb)ㅡto occupy the mind completely; absorb
  5. intuition (noun)A feeling; a sense, understanding gained without thinking
  6. lucid (adj.) Easily understood; clear
  7. moral (adj) Conforming to a standard of right or good behavior
  8. (noun)The lesson taught by a story, a fable, Or Carn eVerni
  9. profound (adj.) Deep; deeply thought or reasoned
  10. puritanical (adj.)Strict in matters or religious or moral conduct
  11. sanctify (verb)To make holy or sacred

Lesson 7 Agreement and Support

  1. abstain (verb)To not do something by choice; To not vote
  2. acknowledge (verb)To admit the truth, existence, or reality of something; To show you have received something
  3. advocate(verb) To recommend; to write or speak in favor of a (noun) A person who argues for a cause
  4. coalition (noun)An alliance of people, parties, or nations
  5. conform (verb)To follow rules or customs
  6. invalid (adj.)Not effective or legal; a person with limited physical abilities
  7. justify (verb)To demonstrate that something is right or fair; to defend with reason
  8. sanction (verb)To permit or approve of an action; To punish a nation or group that has broken accepted laws
  9. underlie (verb)To provide a basis of support, to be situated under, or to be the cause of something
  10. uphold (verb)To maintain or support in the face of possible opposition

Lesson 8 Happiness and Unhappiness

  1. bliss (noun)Extreme joy, leading to contentment
  2. Compassion (noun)The feeling of sharing the suffering of another
  3. dismay(verb) To discourage; to upset(noun) A sudden loss of courage or confidence, due to danger
  4. ecstatic (adj.)Overwhelmingly joyful; intensely delighted
  5. endear (verb)To inspire friendly, affectionate, feelings; to cause to be liked
  6. exasperate (verb)To annoy greatly; to aggravate or irritate; to anger
  7. forlorn (adj.)Lonely, abandoned; Sad
  8. somber (adj.)Dark; gloomy; saddened by difficult events
  9. sullen (adj.)Bad-tempered in a quiet, gloomy way: sulky
  10. wretched (adj.)Miserable; dreadful

Lesson 9 Hopes and Wishes

  1. aspire (verb)To have a great ambition or desire; to Strive for
  2. covet (verb)to strongly desire Something belonging to another; to long for; to crave
  3. Envy (noun)ㅡ a feeling of jealousy (verb) to feel jealousy
  4. inclination (noun)a preference; a tendency to act in a certain way: a slant or a leaning
  5. persevere (verb)To continue trying despite difficulties
  6. reluctant (adj)Unwilling or not wanting to do something
  7. tantalize (verb)to tempt but deny satisfaction
  8. wary (adj)watchful and curious
  9. willful (adj)stubbornly determined to do what one wants
  10. wistful (adj)Full of a sad yearning or longing

Lesson 10 The Arts

  1. aesthetic (noun) A standard of artistic beauty (adj.) Referring to artistic beauty or the appreciation of good taste
  2. artisan (noun)A craftsperson; a skilled manual laborer
  3. audition (noun)A tryout; short performance given to try out for a part in a show
  4. ceramics (noun)Objects made from clay or other combinations of minerals baked at high temperatures
  5. encore (noun)An additional performance demanded by an audience immediately after a program
  6. medley (noun)A group of excerpts from musical pieces blended into one longer number
  7. mural (noun)A large image on a wall or ceiling
  8. ornate (adj.)Heavily and often excessively decorated
  9. palette (noun)A thin board on which an artist mixes paint of different colors; The range of colors used in a painting or by an artist
  10. pantomime(noun) Acting that uses gestures and facial expressions without speech (verb) To express without speaking

Lesson 11 Plants and Animals

  1. arboretum (noun)A park where trees and shrubs are displayed and Studied
  2. aviary (noun)a large cage or building for holding birds
  3. botany (noun)The scientific study of plants
  4. chameleon (noun)a type of lizard that changes color
  5. cultivate (verb)to grow crops, to prepare Soil for growing crops; to encourage the development of a friendship or interest
  6. habitat (noun)ㅡThe environment in which a plant or animal normally lives in 
  7. nurture (verb)ㅡTo nourish or feed; to help grow nurture (verb)develop
  8. talon (noun)The claw of a hawk, falcon, eagle, or other bird of prey
  9. terrarium (noun)A clear container housing plants and small land animals
  10. Zoology (noun)The scientific study of animals

Lesson 12 Literature

  1. adage (noun)A traditional saying widely considered to be wise and true
  2. alliteration (noun)Repetition of Sounds, usually of consonants, especially at the beginning of words
  3. allusion (noun)An indirect reference to something
  4. anthology (noun)A collection of writings by various authors
  5. Epic (noun) A long poem or other literary work about heroes and their adventures (adj.) Grand or impressive in quality, size, or scope
  6. hyperbole (noun)An extreme exaggeration
  7. melodramatic (adj.)Overly emotional or sentimental
  8. personify (verb)To represent an animal, object, or idea as having human qualities; to be the perfect example of a certain quality or idea
  9. pseudonym (noun)A fake name used by an author: a pen name
  10.  serialized (adj.)Presented in parts; presented in a sequence

Lesson 13 Communication

  1. audible (adj.) Able to be heard
  2. Coherence (noun) The quality of being logical, orderly, and clearly connected
  3. digress (verb) To stray from the main subject when writing or speaking; not relevant
  4. eloquent (adj.) Persuasive and powerful in speaking or writing
  5. garble (verb) To mix up or confuse so as to make unclear
  6. impromptu (adj.) Without preparation or rehearsal
  7. orator (noun) A skilled public speaker
  8. Proclaim (verb To announce publicly and officially, to make clear or plain
  9. reiterate (verb)To say or to do again or repeatedly
  10. terse (adj.) Brief and to the point

Lesson 14 Usefulness

  1. applicable (adj.)Appropriate or relevant to a situation;
  2. Expedient (adj.) Convenient and self-serving rather than morally correct (noun) A convenience; something used to achieve a result
  3. extraneous (adj.)Not essential or relevant; unrelated
  4. functional (adj.)Able to operate; in working order; intended to be useful
  5. futile (adj.)Not successful; without effect or result
  6. obsolete (adj.)No longer in use or fashion
  7. opporfūne (adj.)We timed: occurring at an appropriate or fitting time
  8. pragmatic (adj.)Practical; concerned with realities and actual needs
  9. relevant (adj.)Related or connected to; important in a given context
  10. utilitarian (adj)ㅡDesigned to be useful rather than beautiful or pleasing

Lesson 15 Cooperation

  1. alliance (noun) A close association or relationship based on shared needs or interests
  2. collaborate(verb)To work together on an intellectual or Creative project; to cooperate with an enemy invader
  3. colleague (noun)ㅡA member of the same staff or profession;an associate
  4. conspire (verb) To plan together secretly
  5. federation (noun)A formal association containing many individual groups or countries
  6. harmonious (adj.) Peaceful, pleasing, or appropriate when together or combined
  7. interact (verb)To act on or affect each other
  8. populace (noun)The general public; the population
  9. unanimous (adj) In complete agreement; sharing the same opinion or view
  10. uniform (adj.)ㅡ Always the same; not varying

Lesson 16 Appearances

  1. chic (adj.) Stylish; fashionable
  2. debonair (adj.)ㅡCharming in a friendly but sophisticated way
  3. disheveled (adj.) Messy; untidy in personal appearance
  4. dowdy (adj Having an old-fashioned appearance; shabby and out of style
  5. drab (adj.) Having faded, dull appearance
  6. garb (noun) Clothing for a particular job or occasion; (verb) To dress in a particular way
  7. ostentatious (adj.) Showy, meant to impress others
  8. rumple (verb) To Wrinkle or crease
  9. unsightly (adj.) Unpleasant to look at
  10. veneer (noun) A thin, usually decorative layer of fine material glued onto an inferior material; An appearance giving false, positive impression

Lesson 17 Movement and Change

  1. agile (adj.) Able to move quickly and easily; mentally alert, sharp
  2. dawdle (verb) To take more time than necessary; to move slowly
  3. distort (verb)To change something so as to make it less true: to misrepresent; to twist out of shape
  4. itinerary (noun)The route for a journey
  5. mobilize (verb)To prepare or to organize for a purpose: to prepare for a fight or a war
  6. modify (verb)To change or adjust; to alter
  7. quiver (verb)To tremble or shake
  8. recede (verb)To go back; to retreat; to move away
  9. supplant (verb)To replace
  10. traverse (verb)To travel or pass across, over or through

Lesson 18 Help and Harm

  1. belittle (verb)To make a person or thing seem unimportant or without value
  2. envelop (verb)To wrap within; to surround entirely
  3. exploit(verb) To use to the greatest possible advantage (verb) To make use selfishly and unfairly (noun) An exciting or a heroic adventure or deed
  4. facilitate (verb)To make easier or to help along; to assist
  5. forsake (verb)To abandon; to give something up
  6. impair (verb)To make worse; to damage
  7. inflict (verb)To cause pain; to do something unpleasant or punishing
  8. inhumane (adj.)Brutal; cruel; lacking kindness and pity
  9. rehabilitate (verb)To restore to a healthy or good condition
  10. rejuvenate (verb)To make young or vigorous again

Lesson 19 Strength and Defense

  1. buttress (noun) A support built against a wall for reinforcement (verb) To support; to reinforce
  2. defensible (adj.)Capable of being protected or defended
  3. durable (adj.)Sturdy or long-lasting
  4. fortify (verb)To strengthen or make secure
  5. invigorate (verb)To fill with life, energy, or strength
  6. potent (adj.)Powerful; strong
  7. quell (verb)To put down by force; to overpower
  8. recalcitrant (adj.)Stubbornly refusing to do something; not following orders
  9. resistant (adj.)Opposed to or defending against; not giving in; able to withstand or remain to same despite outside forces
  10. valor (noun)Courage or boldness

Lesson 20 Removal and Disposal

  1. discard (verb) To throw away
  2. dispel (verb) To rid one's mind of an idea
  3. disperse (verb) To scatter in different directions
  4. displaced (adj.) Removed from a place
  5. disqualify (verb) To declare unfit to participate
  6. evict (verb) To force out of a place
  7. excise (verb) To cut out, or to remove as if by cutting
  8. exile (noun) Forced removal from one's country (noun) A person's forced out of a country (verb) To force out of a country
  9. extinguish (verb) To put out a fire or a light; to put an end to
  10. purge (verb) Purify; completely get rid of something harmful

Lesson 21 Decay and Destruction

  1. annihilate (verb)to destroy completely
  2. contaminate (verb)To make impure or unclean
  3. corrode (verb)to dissolve or gradually destroy a metal; to cause to deteriorate gradually
  4. curtail (verb)to cut short or reduce
  5. deplete (verb)ㅡTo use up or empty out
  6. deteriorate (verb)to make or become worse; to weaken, decay or diminish
  7. extinct (adj)No longer existing or living
  8. negate (verb)to make ineffective or invalid; to reverse
  9. rancid (adj)smelling or tasting like spoiled oils or fats
  10. squander (verb)To waste; to spend uselessly; to fail to take advantage of; to lose a good chance to do something

Lesson 22 The Suffixes -phile and -phobia

  1. acrophobia (noun) Intense fear of high places
  2. agoraphobia (noun)ㅡ Intense fear of open or public places
  3. ailurophobia (noun)A great fear or hatred of cats
  4. Anglophile (noun) a person who has great admiration or fondness for England and its people
  5. audiophile (noun) a person very interested in the quality of sound reproduction
  6. bibliophile (noun) a person who loves, and often collects, books
  7. claustrophobia (noun) an intense fear of being in small or enclosed spaces
  8. hydrophobia (noun) Intense fear of water; the disease of rabies
  9. xenophobia (noun) hatred or fear of foreign people and places
  10. zoophobia (noun) A strong fear of animals

Lesson 23 The Suffixes -graph and -gram

  1. calligraphy (noun)the art of fine handwriting; decorative handwriting
  2. cartography (noun)the technique or art of making maps or charts
  3. demography (noun)the study of characteristics of human population, such as size, growth, or age
  4. epigram (noun) a short, clever poem or saying
  5. graphic (noun)ㅡa visual representation, such as a graph or picture (adj) described in a vivid and effective
  6. holography (noun)a photographic technique that produces a three-dimensional image; hologram
  7. monogram (noun)ㅡa design composed of single letters, usually initials (verb) to make a design of single letters, usually initials
  8. monograph (noun) a scholarly report on one subject
  9. seismograph (noun)ㅡan instrument for measuring and recording movements of the earth's crust
  10. typography (noun) the style and arrangement of text, either printed on paper or displayed on a screen

Lesson 24 The Roots -flect- and -flu

  1. affluent (adj) Rich, wealthy
  2. defect (verb)ㅡTo turn aside or redirect; to cause to go in another direction
  3. flex (verb)ㅡTo bend; to contract a muscle
  4. fluctuate (verb) To rise and fall; to change irregularly
  5. fluid (noun) A substance that flows, often taking that shape of its container (adj.) Having smooth, flowing motion; graceful; easily changed
  6. flume (noun) A narrow passage with deep rocky sides and water flowing through it; a man-made channel or chute for flowing water
  7. inflexible (adj) Not easily bent; stiff; not changeable
  8. influential (adj) Having the power or importance to affect something
  9. influx (noun) A flowing or coming in
  10. reflex (noun)The ability to react quickly to actions or events; an automatic physical response

Lesson 25 The Roots -bio- and -viv

  1. antibiotic (noun)A substance that can kill, weaken, or slow the growth of germs
  2. biopsy (noun)The removal and study of tissue from a living thing to diagnose illness
  3. biosphere (noun)The areas of Earth that can support life
  4. devitalize (verb)To weaken or destroy the strength or energy of
  5. microbe (noun)A life form so small it can only be seen with a microscope
  6. revive (verb)To bring back to consciousness, life, or health; to bring back into use
  7. symbiosis (noun)A close relationship among two or more living things, in which all involved benefit
  8. viable (adj.)Capable of living and developing; workable; effective
  9. vitality (noun)Health and energy
  10. vivid (adj.)Bright and easily noticed; strong; clear: lifelike

Lesson 26The Root -mov

  1. commotion (noun)A disturbance
  2. demotion (noun)A reduction in rank
  3. immobilize (verb)To prevent movement
  4. locomotion (noun)Movement; the power to move
  5. mobile (adjective)Able to be moved
  6. momentary (adjective)Very brief, lasting only an instant
  7. momentum (noun)Force or speed of motion
  8. motive (noun)The reason for an action
  9. promotion (noun)An increase in rank, publicity for a cause or sale
  10. remote (adjective)A long way away;  unlikely, very impossible

Lesson 27Roots -chron- and -tempor

  1. anachronism (noun)Something that is out of its proper time in history
  2. chronic (adj)Lasting a very long time; continuing
  3. chronicle(noun)A record of events given in order of time
  4. chronological (adj.)Arranged in order of time
  5. contemporary (noun) A person living at the same time as another person (adj.) Existing at the same time (adj.) Modern, up-to-date
  6. Extemporaneous (adj.) ㅡUnplanned; delivered with no preparation, or without notes
  7. synchronize (verb)To make things happen or work at the same time or rafe
  8. tempo (noun)The speed of music or another activity
  9. temporal (adj)Limited by time; non religious
  10. temporary (adj.)Not permanent; lasting for a limited time only

Lesson 28 Forms and Boundaries

  1. adjacent (adj)Next to or close to
  2. align (verb)To put in line; to make parallel; to adjust things to they relate well to each other
  3. brink (noun)The edge of water or a steep place; The point which something will happen; the verge
  4. contour (noun)The outline of a shape or figure (verb) The shape the edge
  5. engulf (verb)To swallow up or overwhelm
  6. indentation (noun)A small hole, dip, or impression made with something
  7. periphery (noun)The outside boundary of an area
  8. solidify (verb)To make or become firm or solid
  9. symmetry (noun)Balance; something that is the same on both sides of the center
  10. tangible (adj.)Able to be touched; concrete; real


Lesson 29 Objects and Instruments

  1. aperture (noun)An adjustable opening in an instrument, such as a camera, that controls the amount of light that enters; an opening or hole
  2. apparatus (noun)Tools or equipment for a certain use
  3. Catalog (noun)A systematic list and description of items (verb) To make a systematic list of items
  4. centrifuge (noun)A machine that spins very fast, sending material outward from the center and separating different substances by weight
  5. Component (noun)A part of a larger whole
  6. guage (noun)used to measure or test (verb) To measure
  7. generator (noun)A machine that produces electrical energy from mechanical energy
  8. laser (noun)An electronic device that puts out a very narrow and intense beam of light
  9. mechanism (noun)The working parts of a machine
  10. prism (noun) A piece of cut glass or plastic that bends and separates light into its component colors

Lesson 30 Business

  1. backlog (noun)Unfinished work or unfilled orders
  2. barter (verb)To trade goods or services without using money; to exchange
  3. commerce (noun)Trade; buying and selling of merchandise, especially in large amounts
  4. franchise(noun)The right to sell or distribute an established product or service (verb) To grant someone else the right to sell one's product or service
  5. inflation (noun)A contributing rise in prices throughout the economy
  6. inventory(noun) Goods or materials in stock or on hand (verb) To make a list of goods or materials on hand
  7. merger (noun)The union of two or more companies or organizations
  8. monopoly (noun)Complete ownership or exclusive control
  9. patron (noun)A regular Customer; a person giving financial support to a cause
  10. vendor (noun)A person or company that sells something

Grade 6 Vocabulary