| No. | Term | Definition |
|---|---|---|
| 1. | abrasive | roughly harsh; irritating |
| 2. | acerb | sharply harsh in taste or tone |
| 3. | acerbic | sharply critical; sourly sarcastic |
| 4. | acid | sour or sharply tart |
| 5. | acidic | having a sour, tart quality |
| 6. | acrimonious | angry and harshly argumentative |
| 7. | aftertaste-heavy | leaving a harsh lingering taste |
| 8. | antagonistic | actively hostile or resistant |
| 9. | astringent | sharp; causes a dry mouthfeel |
| 10. | austere | severely plain; lacking sweetness |
| 11. | barbed | pointedly hurtful or sarcastic |
| 12. | biting | sharply cutting in manner or taste |
| 13. | blackhearted | cruelly malicious; hard |
| 14. | blistering | intensely harsh; scorching |
| 15. | brackish | slightly salty and unpleasant |
| 16. | brittle | hard, sharp, and easily snapped |
| 17. | burnt | overcooked; harshly charred |
| 18. | caustic | severely sarcastic; corrosively harsh |
| 19. | churlish | rude, surly, ill-mannered |
| 20. | cloying-turned-sour | once sweet, now unpleasantly sour |
| 21. | cutting | keenly hurtful; sharply critical |
| 22. | cynical | distrustful; scornfully negative |
| 23. | dank | unpleasantly musty and cold |
| 24. | dark | gloomy; grim in tone |
| 25. | disgruntled | annoyed and resentful |
| 26. | dour | stern, sullen, joyless |
| 27. | dry | lacking sweetness; not mellow |
| 28. | edgy | tense, irritable, sharp |
| 29. | embittered | made resentful or hardened |
| 30. | embittering | causing resentment or sourness |
| 31. | fierce | intensely strong or harsh |
| 32. | flat | lacking sweetness or liveliness |
| 33. | frigid | cold in feeling or manner |
| 34. | galling | irritating; painfully annoying |
| 35. | grim | bleak, harsh, or forbidding |
| 36. | gritty | rough, harshly textured or toned |
| 37. | hard-edged | unyielding; sharply defined and severe |
| 38. | hardened | made tough, unfeeling, or resentful |
| 39. | harsh | unpleasantly rough or severe |
| 40. | hostile | unfriendly; aggressively antagonistic |
| 41. | icy | coldly unfriendly; chilling |
| 42. | ill-tempered | easily angered; peevish |
| 43. | implacable | unable to be appeased |
| 44. | jangly | gratingly harsh and discordant |
| 45. | jarring | harshly discordant; unsettling |
| 46. | jaundiced | cynical; resentfully biased |
| 47. | keen | sharp or piercing; intense |
| 48. | lamenting | expressing sorrow with sharpness |
| 49. | livid | furiously angry; seething |
| 50. | malevolent | spitefully ill-disposed |
| 51. | malicious | intending harm; spiteful |
| 52. | mean-spirited | unkind; driven by spite |
| 53. | mordant | bitingly sarcastic or caustic |
| 54. | nasty | unpleasantly harsh or vile |
| 55. | needle-sharp | piercingly sharp and unpleasant |
| 56. | nettlesome | irritating; provoking annoyance |
| 57. | obdurate | stubbornly unyielding; hard |
| 58. | offish | distant, unfriendly, cool |
| 59. | oppressive | weighing heavily; stiflingly harsh |
| 60. | pained | showing hurt; resentful |
| 61. | peevish | easily annoyed; irritable |
| 62. | peppery | sharp, pungent, biting |
| 63. | pessimistic | expecting the worst; bleak |
| 64. | piquant | pleasantly sharp; tangy |
| 65. | poisonous | harmful; filled with malice |
| 66. | pungent | strong, sharp in smell or taste |
| 67. | rancorous | deeply resentful; spiteful |
| 68. | rank | strong, unpleasant, and harsh |
| 69. | rasping | gratingly harsh to hear or feel |
| 70. | razor-sharp | extremely sharp; cuttingly severe |
| 71. | resentful | full of bitterness or grievance |
| 72. | rough | harsh, coarse, not smooth |
| 73. | ruthless | without mercy; harshly severe |
| 74. | sardonic | grimly mocking; scornful |
| 75. | saturnine | gloomy, morose, sullen |
| 76. | scalding | burningly harsh; searing |
| 77. | scathing | severely critical; blistering |
| 78. | scornful | showing contempt; disdainful |
| 79. | searing | intensely painful; sharply harsh |
| 80. | sharp | having a strong, piercing edge |
| 81. | shrill | high and harsh-sounding |
| 82. | sour | acid-tasting; unpleasantly tart |
| 83. | spare | plain, austere, without sweetness |
| 84. | spicy | having a hot, sharp bite |
| 85. | spiteful | motivated by malice or resentment |
| 86. | stinging | causing a sharp, smarting pain |
| 87. | stringent | strict; sharply demanding |
| 88. | stubborn | unyielding; hard to soften |
| 89. | tangy | pleasantly sharp and acidic |
| 90. | tart | sharply sour in taste or tone |
| 91. | testy | easily irritated; touchy |
| 92. | thorny | difficult; prickly in manner |
| 93. | trenchant | keenly sharp and effective |
| 94. | unforgiving | harsh; not lenient or soft |
| 95. | unkind | harshly unsympathetic; cruel |
| 96. | unpalatable | unpleasant to taste; hard to accept |
| 97. | venomous | full of spite; viciously hostile |
| 98. | vicious | deliberately cruel; savage |
| 99. | vitriolic | bitterly abusive; caustic |
| 100. | wounding | deeply hurtful; injurious |