| No. | Item | Definition |
|---|---|---|
| 1. | abruptly | Suddenly and quickly. |
| 2. | anon | Soon; shortly. |
| 3. | any minute | Very soon. |
| 4. | any second | Very soon. |
| 5. | apace | At a quick pace. |
| 6. | as fast as possible | At maximum possible speed. |
| 7. | as soon as possible | At the earliest possible time. |
| 8. | ASAP | As soon as possible. |
| 9. | at full speed | As fast as possible. |
| 10. | at high speed | Moving very fast. |
| 11. | at once | Immediately; without delay. |
| 12. | at pace | At a fast rate. |
| 13. | at speed | Moving or working fast. |
| 14. | at top speed | At maximum speed. |
| 15. | before long | Soon; after little time. |
| 16. | before you can blink | Extremely quickly. |
| 17. | before you know it | Very soon; surprisingly fast. |
| 18. | betimes | In good time; promptly. |
| 19. | briskly | With energetic speed. |
| 20. | crisply | Quickly and clearly. |
| 21. | directly | Immediately or without diversion. |
| 22. | double-quick | Very quickly. |
| 23. | double-time | At a very fast pace. |
| 24. | expeditiously | Quickly and efficiently. |
| 25. | fast | At high speed. |
| 26. | faster than thought | Extremely quickly. |
| 27. | fleetly | Swiftly; lightly fast. |
| 28. | forthwith | Immediately, in formal usage. |
| 29. | full tilt | At maximum speed or effort. |
| 30. | hastily | With too much speed or hurry. |
| 31. | headlong | With reckless speed. |
| 32. | hell-for-leather | At reckless high speed. |
| 33. | helter-skelter | In hurried disorder. |
| 34. | hotfoot | Quickly and urgently. |
| 35. | hurriedly | In a rushed manner. |
| 36. | immediately | At once; without waiting. |
| 37. | in a flash | Extremely fast. |
| 38. | in a heartbeat | Without hesitation or delay. |
| 39. | in a jiffy | Very soon. |
| 40. | in a moment | After a very short time. |
| 41. | in a second | After almost no time. |
| 42. | in a tick | Very soon. |
| 43. | in a trice | Very quickly. |
| 44. | in a twinkling | In an instant. |
| 45. | in an instant | Immediately; very fast. |
| 46. | in no time | Very soon or very fast. |
| 47. | in quick time | Very quickly. |
| 48. | in record time | Faster than ever before. |
| 49. | in short order | Very soon or fast. |
| 50. | in two shakes | Very soon. |
| 51. | instanter | At once, in legal style. |
| 52. | instantly | In an immediate moment. |
| 53. | lickety-split | Very quickly, informally. |
| 54. | like a shot | Very quickly and eagerly. |
| 55. | like lightning | Extremely fast. |
| 56. | like the wind | Very fast. |
| 57. | madly | Very quickly and wildly. |
| 58. | momentarily | Very soon. |
| 59. | nimbly | Quickly and lightly. |
| 60. | on the double | Very quickly; at once. |
| 61. | on the fly | Quickly while doing something. |
| 62. | on the spot | Immediately, right there. |
| 63. | pell-mell | In a rushed, confused way. |
| 64. | posthaste | With urgent speed. |
| 65. | precipitately | Suddenly and too hastily. |
| 66. | presently | Soon; after a short time. |
| 67. | promptly | Without delay. |
| 68. | pronto | Very soon; promptly. |
| 69. | quick as a flash | Extremely quickly. |
| 70. | quick as a wink | Extremely quickly. |
| 71. | quick as lightning | Extremely quickly. |
| 72. | rapidly | In a very fast way. |
| 73. | right away | Immediately; very soon. |
| 74. | right now | Immediately, at this moment. |
| 75. | right off | Immediately, informally. |
| 76. | shortly | After little time. |
| 77. | smartly | Briskly and efficiently. |
| 78. | snappily | Quickly and smartly. |
| 79. | soon | After a short time. |
| 80. | speedily | In a fast, prompt way. |
| 81. | straight away | Immediately; without delay. |
| 82. | straight off | Immediately, informally. |
| 83. | straightaway | Without delay. |
| 84. | summarily | Quickly, without formal process. |
| 85. | swiftly | With quick movement or action. |
| 86. | then and there | Immediately at that place. |
| 87. | there and then | Immediately at that moment. |
| 88. | this instant | Immediately, right now. |
| 89. | this minute | Immediately, right now. |
| 90. | unhesitatingly | Without delay or doubt. |
| 91. | with alacrity | Promptly and eagerly. |
| 92. | with dispatch | Promptly and efficiently. |
| 93. | with haste | In a hurried manner. |
| 94. | with speed | In a fast way. |
| 95. | without ado | Without delay or fuss. |
| 96. | without delay | Immediately; promptly. |
| 97. | without further ado | Without any more delay. |
| 98. | without hesitation | Immediately and decisively. |
| 99. | without pause | Continuously and fast. |
| 100. | without waiting | Immediately; at once. |