| No. | Item | Definition |
|---|---|---|
| 1. | as soon as ever | as soon as possible |
| 2. | as soon as feasible | as soon as possible |
| 3. | as soon as possible | at the earliest possible time |
| 4. | as soon as practicable | as soon as feasible |
| 5. | ASAP | as soon as possible |
| 6. | at first notice | as soon as notified |
| 7. | at once | without delay; right away |
| 8. | at the earliest | as soon as possible |
| 9. | at the first call | as soon as called |
| 10. | at the first chance | as soon as possible |
| 11. | at the first hint | as soon as it appears |
| 12. | at the first mention | as soon as it’s mentioned |
| 13. | at the first opportunity | as soon as possible |
| 14. | at the first sign | as soon as it appears |
| 15. | before long | soon; in a short time |
| 16. | close at hand | very near in time |
| 17. | directly | at once; without delay |
| 18. | forthcoming | happening soon; imminent |
| 19. | forthwith | immediately; without delay |
| 20. | immediate | happening at once |
| 21. | in a flash | very quickly; instantly |
| 22. | in a heartbeat | very quickly; instantly |
| 23. | in a jiffy | very soon; quickly |
| 24. | in a moment | very soon; shortly |
| 25. | in a snap | very quickly; instantly |
| 26. | in a split second | almost instantly; very fast |
| 27. | in a trice | very quickly; at once |
| 28. | in a wink | very quickly; instantly |
| 29. | in an instant | very quickly; at once |
| 30. | in no time | very soon; quickly |
| 31. | in short order | quickly; without much delay |
| 32. | in the next breath | immediately afterward |
| 33. | instantly | at once; in no time |
| 34. | next | immediately after; following |
| 35. | now | at this moment; immediately |
| 36. | on arrival | as soon as you arrive |
| 37. | on completion | as soon as completed |
| 38. | on discovery | as soon as discovered |
| 39. | on finishing | as soon as finished |
| 40. | on hearing | as soon as heard |
| 41. | on learning | as soon as learned |
| 42. | on receipt | as soon as received |
| 43. | on sight | as soon as seen |
| 44. | on the spot | immediately; at the scene |
| 45. | posthaste | with great speed; immediately |
| 46. | presently | soon; before long |
| 47. | prompt | done without delay |
| 48. | promptly | without delay; punctually |
| 49. | pronto | right away; quickly |
| 50. | quickly | with little delay |
| 51. | rapidly | very quickly |
| 52. | right after | immediately following |
| 53. | right away | immediately; without waiting |
| 54. | right now | at this moment; immediately |
| 55. | right off | immediately; without delay |
| 56. | right then | at that moment; immediately |
| 57. | right this instant | right now; immediately |
| 58. | right this minute | right now; immediately |
| 59. | right this second | right now; immediately |
| 60. | shortly | soon; in a short time |
| 61. | soon | in a short time |
| 62. | speedily | quickly; without delay |
| 63. | straight after | immediately following |
| 64. | straight off | immediately; without delay |
| 65. | straightaway | at once; without delay |
| 66. | swiftly | quickly; fast |
| 67. | the instant | as soon as; when |
| 68. | the minute | as soon as; when |
| 69. | the moment | as soon as; when |
| 70. | the second | as soon as; when |
| 71. | the very instant | at the exact instant |
| 72. | the very minute | at the exact minute |
| 73. | the very moment | at the exact moment |
| 74. | the very second | at the exact second |
| 75. | this instant | right now; without delay |
| 76. | this minute | right now; without delay |
| 77. | this second | right now; without delay |
| 78. | upon arrival | as soon as you arrive |
| 79. | upon completion | as soon as finished |
| 80. | upon discovery | as soon as discovered |
| 81. | upon entering | as soon as you enter |
| 82. | upon finishing | as soon as finished |
| 83. | upon hearing | as soon as you hear |
| 84. | upon learning | as soon as you learn |
| 85. | upon receipt | as soon as received |
| 86. | upon request | as soon as requested |
| 87. | upon returning | as soon as you return |
| 88. | upon seeing | as soon as you see |
| 89. | upon waking | as soon as you wake |
| 90. | very soon | in a very short time |
| 91. | without a minute’s delay | with no delay at all |
| 92. | without a moment’s delay | with no delay at all |
| 93. | without a second’s delay | with no delay at all |
| 94. | without any delay | with no waiting time |
| 95. | without delay | with no waiting time |
| 96. | without further ado | without delay or fuss |
| 97. | without further delay | with no additional waiting |
| 98. | without hesitation | at once; not pausing |
| 99. | without pause | immediately; without stopping |
| 100. | without waiting | immediately; not delaying |