| No. | Item | Definition |
|---|---|---|
| 1. | adamant | refusing to be persuaded |
| 2. | aggressive | forceful and pushy in pursuit |
| 3. | assiduous | showing persistent careful effort |
| 4. | bent on | firmly determined to do |
| 5. | brutal | harsh and severe |
| 6. | ceaseless | continuing without stopping |
| 7. | ceaselessly | without stopping |
| 8. | committed | dedicated to a cause or task |
| 9. | constant | continuing without interruption |
| 10. | continual | repeated frequently without stopping |
| 11. | continuous | without interruption or break |
| 12. | day-and-night | continuing all the time |
| 13. | dead set | completely determined about something |
| 14. | dedicated | devoted to a purpose |
| 15. | determined | firmly decided and resolute |
| 16. | diligent | careful and persistent in work |
| 17. | dogged | stubbornly determined and persistent |
| 18. | driven | strongly compelled to achieve |
| 19. | driving | pushing forward forcefully |
| 20. | endless | seeming to have no end |
| 21. | enduring | lasting over a long time |
| 22. | exacting | requiring great care or effort |
| 23. | ferocious | savagely fierce and intense |
| 24. | fierce | strong, violent, or intense |
| 25. | firm | strong and unlikely to change |
| 26. | forceful | strong and assertive in action |
| 27. | goal-driven | strongly motivated by goals |
| 28. | grim | harshly determined or serious |
| 29. | hammering | repeatedly forceful or punishing |
| 30. | hard-driving | pushing intensely toward goals |
| 31. | hard-line | strict and uncompromising |
| 32. | hard-nosed | tough and unsentimental |
| 33. | hardworking | putting in much effort |
| 34. | harsh | severe and unkind |
| 35. | hell-bent | recklessly determined to do |
| 36. | hounding | pursuing persistently and aggressively |
| 37. | implacable | unable to be calmed or appeased |
| 38. | incessant | continuing without pause |
| 39. | indefatigable | unable to be tired out |
| 40. | inexorable | impossible to stop or prevent |
| 41. | insistent | demanding attention persistently |
| 42. | intense | extreme in strength or degree |
| 43. | intent on | focused firmly on doing |
| 44. | iron-willed | having very strong determination |
| 45. | laborious | requiring or showing much effort |
| 46. | laser-focused | extremely focused and determined |
| 47. | lasting | continuing for a long time |
| 48. | merciless | showing no mercy or pity |
| 49. | methodical | done in an orderly persistent way |
| 50. | nagging | persistently annoying or worrying |
| 51. | never-ending | not coming to an end |
| 52. | night-and-day | constantly and tirelessly |
| 53. | no-nonsense | practical and uncompromising |
| 54. | nonstop | without stopping or pausing |
| 55. | obstinate | stubbornly refusing to change |
| 56. | ongoing | still continuing or developing |
| 57. | oppressive | cruelly persistent or burdensome |
| 58. | perpetual | continuing forever or repeatedly |
| 59. | perseverant | persisting steadily toward a goal |
| 60. | persevering | continuing despite difficulty |
| 61. | persistent | continuing despite difficulty or delay |
| 62. | pitiless | showing no pity or compassion |
| 63. | prolonged | continuing for a long time |
| 64. | punishing | harshly demanding or severe |
| 65. | purposeful | having clear determination |
| 66. | remorseless | showing no regret or pity |
| 67. | remorselessly | without pity or pause |
| 68. | resolute | admirably purposeful and unwavering |
| 69. | results-driven | focused intensely on outcomes |
| 70. | rigorous | extremely thorough and strict |
| 71. | round-the-clock | continuing all day and night |
| 72. | ruthless | without pity or compassion |
| 73. | ruthlessly | without mercy or softness |
| 74. | sedulous | showing persistent diligence |
| 75. | set on | determined to pursue |
| 76. | severe | very strict or intense |
| 77. | steadfast | firm and unwavering in purpose |
| 78. | steadily | in a constant determined way |
| 79. | strong-willed | determined to do as intended |
| 80. | stubborn | not easily changed or stopped |
| 81. | sustained | maintained continuously over time |
| 82. | tenacious | holding firmly and not quitting |
| 83. | tenaciously | with firm persistence |
| 84. | thoroughgoing | complete and uncompromising |
| 85. | tireless | showing sustained energy and effort |
| 86. | tirelessly | without tiring or resting |
| 87. | unceasing | never stopping or ending |
| 88. | undeviating | not turning aside from course |
| 89. | unfaltering | not wavering or hesitating |
| 90. | unflagging | not weakening in effort |
| 91. | unrelenting | never easing or letting up |
| 92. | unsparing | not sparing or holding back |
| 93. | unstoppable | impossible to stop or halt |
| 94. | unswerving | not changing from a course |
| 95. | unwavering | steady and not changing |
| 96. | unyielding | not giving way or softening |
| 97. | vigilant | watchful and alert continually |
| 98. | willful | stubbornly self-willed |
| 99. | without letup | with no pause or easing |
| 100. | without respite | with no relief or break |
