| No. | Term | Definition |
|---|---|---|
| 1. | A big deal | Something very important. |
| 2. | A consequential | Having important results. |
| 3. | A decisive factor | Key element that determines outcome. |
| 4. | A mainstay | A chief support or staple. |
| 5. | A turning point | Moment when direction changes. |
| 6. | Abundant | More than enough; ample. |
| 7. | Acute | Severe or intense. |
| 8. | All-important | Extremely important; crucial. |
| 9. | An essential point | A key detail. |
| 10. | Appreciable | Noticeably large or significant. |
| 11. | Astronomical | Extremely large in size or amount. |
| 12. | Big | Large in size or extent. |
| 13. | Blockbuster | Highly successful; very impactful. |
| 14. | Bottom-line | Most important practical point. |
| 15. | Breakthrough | Major advance or discovery. |
| 16. | Broad | Wide-ranging; extensive. |
| 17. | Capital | Of primary importance. |
| 18. | Cardinal | Fundamental; of chief importance. |
| 19. | Catastrophic | Causing great damage or loss. |
| 20. | Centerpiece | Most important feature. |
| 21. | Central | At the core; key. |
| 22. | Chief | Most important; principal. |
| 23. | Colossal | Extremely large; gigantic. |
| 24. | Considerable | Fairly large; significant. |
| 25. | Core | Central and most important part. |
| 26. | Cornerstone | Essential foundation or support. |
| 27. | Critical | Decisive; extremely important. |
| 28. | Crucial | Essential to success or outcome. |
| 29. | Deal-breaker | Issue that stops agreement. |
| 30. | Decisive | Settling an issue; conclusive. |
| 31. | Defining | Most characteristic; shaping. |
| 32. | Dominant | Most influential; prevailing. |
| 33. | Dramatic | Striking and sudden. |
| 34. | Driving force | Main cause or motivator. |
| 35. | Earthshaking | Profoundly shocking or important. |
| 36. | Egregious | Outstandingly bad; glaring. |
| 37. | Enormous | Very large in size or amount. |
| 38. | Epic | Grand in scale or impact. |
| 39. | Essential | Absolutely necessary; vital. |
| 40. | Exceptional | Unusually good; outstanding. |
| 41. | Extensive | Covering a large area. |
| 42. | Far-reaching | Having wide effects. |
| 43. | Formidable | Very powerful or impressive. |
| 44. | Foundational | Serving as a base; fundamental. |
| 45. | Front-and-center | Most prominent; primary focus. |
| 46. | Game-changing | Altering the situation significantly. |
| 47. | Gigantic | Very large; huge. |
| 48. | Grave | Serious; weighty. |
| 49. | Great | Large; important; notable. |
| 50. | Groundbreaking | Innovative; pioneering. |
| 51. | Hefty | Large and heavy; substantial. |
| 52. | High-impact | Producing strong effects. |
| 53. | High-stakes | With serious consequences. |
| 54. | Huge | Very large; immense. |
| 55. | Immense | Extremely large; vast. |
| 56. | Imperative | Absolutely necessary; urgent. |
| 57. | Important | Of great value or significance. |
| 58. | In the spotlight | Receiving most attention. |
| 59. | Influential | Having strong effect on others. |
| 60. | Intense | Very strong; extreme. |
| 61. | Key | Essential; crucial. |
| 62. | Landmark | Historically important; notable. |
| 63. | Large-scale | On a big scope. |
| 64. | Leading | Most prominent; foremost. |
| 65. | Main | Most important; chief. |
| 66. | Main event | Most important part. |
| 67. | Main issue | Primary problem or topic. |
| 68. | Main point | Central idea. |
| 69. | Main priority | Top-ranked concern. |
| 70. | Main takeaway | Key lesson or conclusion. |
| 71. | Make-or-break | Decisive for success or failure. |
| 72. | Momentous | Of great importance; historic. |
| 73. | Monumental | Great in importance or size. |
| 74. | Notable | Worthy of attention; significant. |
| 75. | Noteworthy | Deserving notice; remarkable. |
| 76. | Overriding | More important than others. |
| 77. | Paramount | Supreme in importance. |
| 78. | Pivotal | Of central importance; turning-point. |
| 79. | Potent | Powerful; effective. |
| 80. | Primary | First in importance. |
| 81. | Prime | Best or most important. |
| 82. | Principal | Most important; main. |
| 83. | Priority | Something ranked most important. |
| 84. | Profound | Deep and far-reaching. |
| 85. | Prominent | Easily noticed; important. |
| 86. | Pronounced | Very noticeable; marked. |
| 87. | Radical | Far-reaching; fundamental. |
| 88. | Remarkable | Unusual; worthy of attention. |
| 89. | Resounding | Very great; unmistakable. |
| 90. | Revolutionary | Involving great change. |
| 91. | Rock-solid | Very firm; dependable. |
| 92. | Seismic | Having huge disruptive impact. |
| 93. | Serious | Not trivial; important. |
| 94. | Significant | Meaningful; important; notable. |
| 95. | Sizeable | Fairly large; substantial. |
| 96. | Staggering | Astonishingly large or intense. |
| 97. | Standout | Most noticeable or impressive. |
| 98. | Stark | Plain and severe; unmistakable. |
| 99. | Substantial | Large in amount or importance. |
| 100. | Sweeping | Wide-ranging; comprehensive. |
