Here is a list of important vocabulary words frequently tested on the GRE:

  1. Abate
  2. Aberrant
  3. Abhor
  4. Abstain
  5. Acquiesce
  6. Aesthetic
  7. Alacrity
  8. Alleviate
  9. Ambivalent
  10. Ameliorate
  11. Anachronistic
  12. Anomaly
  13. Antagonize
  14. Antipathy
  15. Apathy
  16. Appease
  17. Arduous
  18. Articulate
  19. Ascertain
  20. Assuage
  21. Audacious
  22. Austere
  23. Aversion
  24. Banal
  25. Belie
  26. Benevolent
  27. Bolster
  28. Bombastic
  29. Brazen
  30. Brusque
  31. Cacophony
  32. Capricious
  33. Catalyst
  34. Caustic
  35. Censure
  36. Chicanery
  37. Coalesce
  38. Coherent
  39. Complacency
  40. Concise
  41. Condone
  42. Conspicuous
  43. Contentious
  44. Contrite
  45. Copious
  46. Corroborate
  47. Credible
  48. Cursory
  49. Debilitate
  50. Decry
  51. Deleterious
  52. Denounce
  53. Deride
  54. Desecrate
  55. Desolate
  56. Despondent
  57. Deviate
  58. Diligent
  59. Discern
  60. Discord
  61. Disparage
  62. Disparate
  63. Disseminate
  64. Divulge
  65. Dogmatic
  66. Eccentric
  67. Egregious
  68. Elucidate
  69. Emulate
  70. Enigma
  71. Ephemeral
  72. Equanimity
  73. Erratic
  74. Euphemism
  75. Exacerbate
  76. Exculpate
  77. Exemplary
  78. Expedient
  79. Extraneous
  80. Fallacious
  81. Fastidious
  82. Frivolous
  83. Garrulous
  84. Gluttony
  85. Gratuitous
  86. Gregarious
  87. Hackneyed
  88. Hapless
  89. Haughty
  90. Hedonism
  91. Heresy
  92. Hypocrisy
  93. Iconoclast
  94. Immutable
  95. Impartial
  96. Impecunious
  97. Impetuous
  98. Implacable
  99. Implicit
  100. Inane

Please note that this is not an exhaustive list, and there are many more important vocabulary words to explore. It’s advisable to study and review a wide range of vocabulary to enhance your GRE preparation.