100 Words A High School Freshman Should Know

These are the words from the American Heritage Dictionary editors' "100 Words A High School Freshman Should Know."
definitions & notes only words
  1. accentuate
    stress or single out as important
  2. alliteration
    use of the same consonant at the beginning of each word
  3. analogy
    drawing a comparison in order to show a similarity
  4. antibody
    a protein that produces an immune response
  5. aspire
    have an ambitious plan or a lofty goal
  6. bamboozle
    conceal one's true motives from
  7. bizarre
    conspicuously or grossly unconventional or unusual
  8. boisterous
    full of rough and exuberant animal spirits
  9. boycott
    refusal to have commercial dealings with some organization
  10. camouflage
    an outward semblance misrepresenting the nature of something
  11. chronology
    an arrangement of events in time
  12. commemorate
    call to remembrance
  13. cower
    crouch or curl up
  14. decorum
    propriety in manners and conduct
  15. deduction
    the act of removing a part from the whole
  16. deign
    do something that one considers to be below one's dignity
  17. despondent
    without or almost without hope
  18. dialogue
    a conversation between two persons
  19. divulge
    make known to the public information previously kept secret
  20. eclectic
    selecting what seems best of various styles or ideas
  21. ellipse
    a closed plane curve with an oval shape
  22. embargo
    a government order imposing a trade barrier
  23. enthusiastic
    having or showing great excitement and interest
  24. exponent
    notation of how many times to multiply a quantity by itself
  25. exult
    feel extreme happiness or elation
  26. fallacy
    a misconception resulting from incorrect reasoning
  27. flourish
    grow vigorously
  28. formidable
    extremely impressive in strength or excellence
  29. gargoyle
    an ornament consisting of a grotesquely carved figure
  30. guerrilla
    a member of an irregular army that fights a stronger force
  31. guru
    a Hindu or Buddhist religious leader and spiritual teacher
  32. heritage
    that which is inherited
  33. hieroglyphic
    a writing system using picture symbols
  34. hologram
    a photograph for reproducing a three-dimensional image
  35. hypocrisy
    pretending to have qualities or beliefs that you do not have
  36. immune
    of the condition in which an organism can resist disease
  37. impertinent
    improperly forward or bold
  38. inference
    drawing a conclusion on the basis of circumstantial evidence
  39. introspection
    contemplation of your own thoughts and desires and conduct
  40. jaunty
    having a cheerful, lively, and self-confident air
  41. jovial
    full of or showing high-spirited merriment
  42. kilometer
    a metric unit of length equal to 1000 meters
  43. labyrinth
    complex system of paths in which it is easy to get lost
  44. laconic
    brief and to the point
  45. lichen
    a plant occurring in crusty patches on tree trunks or rocks
  46. light-year
    the distance that light travels in a vacuum in 1 year
  47. maneuver
    a military training exercise
  48. marsupial
    a mammal the female of which has a pouch carrying the young
  49. metaphor
    a figure of speech that suggests a non-literal similarity
  50. mosaic
    design made of small pieces of colored stone or glass
  51. mutation
    a change or alteration in form or qualities
  52. nebula
    an immense cloud of gas and dust in interstellar space
  53. nocturnal
    belonging to or active during the night
  54. nuisance
    anything that disturbs, endangers life, or is offensive
  55. omnivore
    an animal that feeds on both animal and vegetable substances
  56. outrageous
    greatly exceeding bounds of reason or moderation
  57. ozone
    a colorless gas that is a screen for ultraviolet radiation
  58. parasite
    an animal or plant that lives in or on a host
  59. participle
    a form of the verb used as an adjective
  60. phloem
    plant tissue that conducts synthesized food substances
  61. polygon
    a closed plane figure bounded by straight sides
  62. protagonist
    the principal character in a work of fiction
  63. pulverize
    make into a powder by breaking up or cause to become dust
  64. quandary
    state of uncertainty in a choice between unfavorable options
  65. quarantine
    isolation to prevent the spread of infectious disease
  66. quota
    a prescribed number
  67. rainforest
    a densely wooded tropical area with heavy precipitation
  68. random
    lacking any definite plan or order or purpose
  69. recede
    pull back or move away or backward
  70. Renaissance
    period of European history at the close of the Middle Ages
  71. renegade
    someone who rebels and becomes an outlaw
  72. repose
    freedom from activity
  73. sacrifice
    the act of killing in order to appease a deity
  74. silhouette
    a filled-in drawing of the outline of an object
  75. solstice
    when the sun is at its greatest distance from the equator
  76. spectrum
    a broad range of related objects, values, or qualities
  77. stereotype
    a conventional or formulaic conception or image
  78. strategy
    an elaborate and systematic plan of action
  79. suffrage
    a legal right to vote
  80. symbiosis
    the relation between two interdependent species of organisms
  81. tariff
    a government tax on imports or exports
  82. technique
    a practical method or art applied to some particular task
  83. tempo
    the speed at which a composition is to be played
  84. toxin
    a poisonous substance produced organically
  85. tranquility
    an untroubled state that is free from disturbances
  86. tumult
    a state of commotion and noise and confusion
  87. tundra
    a vast treeless plain where subsoil is permanently frozen
  88. ultraviolet
    having wavelengths shorter than light but longer than X-rays
  89. unanimous
    in complete agreement
  90. undulate
    move in a wavy pattern or with a rising and falling motion
  91. vaccine
    injection of weakened or dead microbes to create antibodies
  92. vacillate
    be undecided about something
  93. vertebrate
    animals having a bony or cartilaginous skeleton
  94. virtuoso
    someone who is dazzlingly skilled in any field
  95. voracious
    devouring or craving food in great quantities
  96. wretched
    deserving or inciting pity
  97. xylem
    plant tissue that conducts water and dissolved nutrients
  98. yacht
    an expensive vessel propelled by sail or power
  99. zoology
    the branch of biology that studies animals

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