| No. | Item | Definition |
|---|---|---|
| 1. | abbreviated | cut short |
| 2. | accelerated | made faster than usual |
| 3. | agitated | nervous and abrupt in movement |
| 4. | all-of-a-sudden | happening suddenly |
| 5. | arrested | suddenly stopped |
| 6. | at once | immediately and suddenly |
| 7. | authoritative | firm and abruptly decisive |
| 8. | bald | plainly stated without softening |
| 9. | blunt | direct and often rude |
| 10. | breakneck | dangerously fast and sudden |
| 11. | breathless | done with frantic speed |
| 12. | brisk | quick and energetic |
| 13. | broken-off | stopped suddenly |
| 14. | brusque | blunt and curt in manner |
| 15. | businesslike | efficient and somewhat curt |
| 16. | checked | stopped or slowed suddenly |
| 17. | choppy | broken and uneven |
| 18. | clipped | spoken in short sharp words |
| 19. | cold | unfriendly and abrupt |
| 20. | curt | brief and rudely abrupt |
| 21. | cut-short | ended before expected |
| 22. | cutoff | a sudden ending |
| 23. | dead-stop | a complete sudden halt |
| 24. | decisive | showing quick firm decision |
| 25. | direct | straightforward and not softened |
| 26. | disconnected | not smoothly linked |
| 27. | discontinuous | not smooth or continuous |
| 28. | disjointed | lacking smooth connection |
| 29. | dramatic | strikingly sudden or noticeable |
| 30. | drastic | extreme and sudden |
| 31. | fast-track | made to happen quickly |
| 32. | fitful | irregular with sudden stops |
| 33. | flash | happening very suddenly |
| 34. | forthwith | immediately and without delay |
| 35. | fractured | broken into abrupt parts |
| 36. | frantic | wildly hurried |
| 37. | frosty | cold and curt |
| 38. | gruff | rough and abrupt in manner |
| 39. | grumpy | bad-tempered and short |
| 40. | hair-trigger | reacting with sudden quickness |
| 41. | halted | brought to a stop |
| 42. | harsh | rough and unpleasantly sharp |
| 43. | hasty | done with excessive speed |
| 44. | headlong | rushed and uncontrolled |
| 45. | hurried | done in great haste |
| 46. | immediate | happening at once |
| 47. | impetuous | acting quickly and forcefully |
| 48. | impulsive | acting suddenly without thought |
| 49. | instant | occurring immediately |
| 50. | instantaneous | happening immediately |
| 51. | intermittent | stopping and starting repeatedly |
| 52. | interrupted | stopped before completion |
| 53. | jarring | harshly sudden or discordant |
| 54. | jerky | moving with sudden stops |
| 55. | jolting | causing sudden rough movement |
| 56. | knife-edge | sharp and sudden |
| 57. | lightning | extremely fast and sudden |
| 58. | momentary | lasting a very short time |
| 59. | nervy | boldly abrupt or cheeky |
| 60. | offhand | casual and somewhat curt |
| 61. | out-of-the-blue | appearing completely unexpectedly |
| 62. | overnight | happening very quickly |
| 63. | peremptory | abrupt and commanding |
| 64. | plainspoken | speaking directly and bluntly |
| 65. | point-blank | direct and bluntly abrupt |
| 66. | precipitate | done suddenly and hastily |
| 67. | precipitous | happening too quickly |
| 68. | prompt | done without delay |
| 69. | quick | done or happening fast |
| 70. | radical | very great and sudden |
| 71. | ragged | rough and irregular |
| 72. | rapid | very quick in happening |
| 73. | rash | done too quickly |
| 74. | raw | harshly direct or unprocessed |
| 75. | rushed | done too quickly |
| 76. | sharp | sudden and severe |
| 77. | short | brief to the point of rudeness |
| 78. | snappish | irritable and sharply rude |
| 79. | snappy | short and sharply brief |
| 80. | staccato | marked by abrupt stops |
| 81. | startling | surprisingly sudden |
| 82. | sudden | happening without warning |
| 83. | swift | moving or happening quickly |
| 84. | terse | brief and clipped |
| 85. | testy | easily irritated and curt |
| 86. | trigger-happy | acting too quickly |
| 87. | truncated | shortened by cutting off |
| 88. | unannounced | without prior notice |
| 89. | unceremonious | rudely abrupt and informal |
| 90. | unexpected | not anticipated or foreseen |
| 91. | unfiltered | not softened or restrained |
| 92. | unforeseen | not expected beforehand |
| 93. | unlooked-for | not expected |
| 94. | unvarnished | not softened or embellished |
| 95. | vertical | rising straight up sharply |
| 96. | violent | sudden and intense |
| 97. | volte-face | a sudden complete reversal |
| 98. | whiplash | sudden and jarring |
| 99. | whirlwind | very fast and intense |
| 100. | without warning | with no advance notice |