| No. | Item | Definition |
|---|---|---|
| 1. | A-one | first-rate or excellent |
| 2. | acme | highest point of achievement |
| 3. | all-important | most important of all |
| 4. | apex | highest point or level |
| 5. | basic | forming an essential part |
| 6. | best | of the highest quality |
| 7. | big | important or significant |
| 8. | blue-ribbon | of top quality |
| 9. | capital | chief or most important |
| 10. | cardinal | of greatest importance |
| 11. | central | most important to something |
| 12. | chief | highest in rank or importance |
| 13. | commanding | dominant and influential |
| 14. | consequential | important in effect or result |
| 15. | controlling | exercising decisive influence |
| 16. | core | central and essential |
| 17. | critical | extremely important |
| 18. | crucial | decisively important |
| 19. | decisive | settling an issue importantly |
| 20. | defining | most characteristic or important |
| 21. | determinative | serving to determine outcome |
| 22. | distinguished | important and respected |
| 23. | dominant | most influential or powerful |
| 24. | elite | best or most important group |
| 25. | eminent | highly distinguished or important |
| 26. | essential | absolutely necessary |
| 27. | excellent | extremely good |
| 28. | exceptional | unusually important or good |
| 29. | extraordinary | very unusual and important |
| 30. | far-reaching | having great importance or effect |
| 31. | favored | given special importance |
| 32. | finest | best in quality |
| 33. | first | coming before all others |
| 34. | foremost | most important or leading |
| 35. | foundational | serving as a base |
| 36. | front-rank | among the most important |
| 37. | fundamental | forming the basic core |
| 38. | governing | having controlling influence |
| 39. | greatest | largest in importance |
| 40. | head | chief or principal |
| 41. | headmost | first or foremost |
| 42. | high-priority | deserving urgent attention |
| 43. | highest | greatest in rank or degree |
| 44. | imperative | absolutely necessary |
| 45. | incomparable | beyond comparison |
| 46. | indispensable | impossible to do without |
| 47. | integral | necessary to make whole |
| 48. | key | crucially important |
| 49. | leading | most important or advanced |
| 50. | main | most important |
| 51. | major | greater in importance |
| 52. | mandatory | required and important |
| 53. | master | chief or principal |
| 54. | matchless | having no equal |
| 55. | material | important and relevant |
| 56. | momentous | very important |
| 57. | monumental | greatly important or impressive |
| 58. | necessary | needed and important |
| 59. | needed | necessary or required |
| 60. | notable | important and worthy of notice |
| 61. | noteworthy | deserving attention for importance |
| 62. | number one | the most important |
| 63. | outstanding | exceptionally important or good |
| 64. | overarching | most comprehensive and important |
| 65. | overriding | more important than others |
| 66. | peak | at the highest point |
| 67. | peerless | without equal |
| 68. | pivotal | of crucial importance |
| 69. | predominant | most noticeable or important |
| 70. | preeminent | surpassing all others |
| 71. | premier | first in importance |
| 72. | primary | first in importance |
| 73. | prime | first in importance |
| 74. | principal | main or most important |
| 75. | prominent | important and well known |
| 76. | requisite | required or necessary |
| 77. | ruling | exercising chief control |
| 78. | salient | most noticeable or important |
| 79. | signal | notably important |
| 80. | signalest | most notable or important |
| 81. | significant | important or meaningful |
| 82. | sovereign | supreme in power or rank |
| 83. | substantial | considerable in importance |
| 84. | superior | higher in quality or rank |
| 85. | superlative | of the highest kind |
| 86. | supreme | highest in rank or importance |
| 87. | tip-top | best or highest |
| 88. | top | highest in rank or importance |
| 89. | topmost | highest in position or rank |
| 90. | ultimate | final and most important |
| 91. | unequaled | better than all others |
| 92. | unmatched | not equaled by others |
| 93. | unrivaled | having no equal |
| 94. | uppermost | highest or most prominent |
| 95. | utmost | greatest possible |
| 96. | vital | absolutely necessary or important |
| 97. | weightiest | most serious or important |
| 98. | weighty | serious and important |
| 99. | world-class | of the highest standard |
| 100. | zenithal | at the highest point |
