| No. | Term | Definition |
|---|---|---|
| 1. | Adamant | Unyielding in purpose or stance. |
| 2. | Adherent | Sticking firmly to a belief. |
| 3. | Against-all-odds | Continuing despite slim chances. |
| 4. | All-in | Fully committed; not backing out. |
| 5. | Assiduous | Showing constant, careful effort. |
| 6. | At-it-again | Returning to try once more. |
| 7. | Axiomatic | Taken as settled and enduring. |
| 8. | Back-at-it | Resuming effort after stopping. |
| 9. | Bears-down | Applies relentless pressure. |
| 10. | Bullheaded | Stubbornly refusing to change. |
| 11. | By-hook-or-crook | Determined to succeed somehow. |
| 12. | Can’t-let-go | Refuses to release or stop. |
| 13. | Cemented | Firmly fixed; hard to alter. |
| 14. | Come-what-may | Continuing regardless of outcomes. |
| 15. | Committed | Dedicated for the long haul. |
| 16. | Constant | Continuing without stopping. |
| 17. | Continuing | Carrying on over time. |
| 18. | Day-in-day-out | Done regularly, without letup. |
| 19. | Dedicated | Devoted to a task or cause. |
| 20. | Determined | Resolved to achieve a goal. |
| 21. | Die-hard | Unwaveringly loyal; hard to stop. |
| 22. | Dogged | Stubbornly tenacious in pursuit. |
| 23. | Driven | Motivated to keep pushing forward. |
| 24. | Durable | Able to last and endure. |
| 25. | Enduring | Lasting a long time. |
| 26. | Everlasting | Seemingly without end. |
| 27. | Fast | Firmly fixed; not loosening. |
| 28. | Firm | Not easily moved or changed. |
| 29. | Fixed | Set and not likely to change. |
| 30. | Gritty | Showing tough, resilient resolve. |
| 31. | Grounded | Steady and hard to shake. |
| 32. | Hard-nosed | Tough and uncompromising. |
| 33. | Hardy | Robust under strain or hardship. |
| 34. | Holding-on | Refusing to let go. |
| 35. | Immovable | Not able to be moved. |
| 36. | In-it-for-keeps | Committed for the long term. |
| 37. | Incessant | Continuing without interruption. |
| 38. | Inflexible | Unwilling to bend or adapt. |
| 39. | Insistent | Demanding firmly; not yielding. |
| 40. | Jaggedly-resolute | Rough-edged but unwavering. |
| 41. | Jammed | Stuck and hard to dislodge. |
| 42. | Job-minded | Steadfastly focused on the task. |
| 43. | Keen | Eager and sustained in effort. |
| 44. | Keep-at-it | Continue working without quitting. |
| 45. | Knuckled-down | Applied oneself with determination. |
| 46. | Lasting | Continuing for a long time. |
| 47. | Long-suffering | Enduring hardship without quitting. |
| 48. | Marathon-minded | Built for long, steady effort. |
| 49. | Methodical | Steady and systematic in approach. |
| 50. | Monomaniacal | Single-minded to an extreme. |
| 51. | Motivated | Driven to continue working. |
| 52. | Never-say-die | Refusing to give up. |
| 53. | No-quit | Not giving up under pressure. |
| 54. | Obdurate | Stubbornly refusing to change. |
| 55. | Obstinate | Stubbornly resistant to persuasion. |
| 56. | On-and-on | Continuing for a long time. |
| 57. | On-the-job | Sticking with the work. |
| 58. | Patient | Able to wait and continue. |
| 59. | Persevering | Continuing despite difficulty. |
| 60. | Plodding | Slow but steady and unrelenting. |
| 61. | Pressing | Continuing to push forward. |
| 62. | Protracted | Extended and kept going. |
| 63. | Pugnacious | Combative; keeps pushing back. |
| 64. | Relentless | Not stopping or easing off. |
| 65. | Resilient | Bouncing back and continuing. |
| 66. | Resistant | Hard to alter or defeat. |
| 67. | Resolute | Firmly determined; unwavering. |
| 68. | Rugged | Tough and able to endure. |
| 69. | Single-minded | Focused on one aim. |
| 70. | Spirited | Lively and refusing to quit. |
| 71. | Steadfast | Firmly loyal and unchanging. |
| 72. | Steady | Consistent and reliable over time. |
| 73. | Stick-to-it | Keep going; don’t abandon it. |
| 74. | Stubborn | Unwilling to change course. |
| 75. | Stubborn-minded | Fixed in opinion; hard to sway. |
| 76. | Tenacious | Holding firmly; not letting go. |
| 77. | Thoroughgoing | Carried through completely and firmly. |
| 78. | Tireless | Working without seeming to tire. |
| 79. | Tough | Able to withstand difficulty. |
| 80. | True-grit | Courage and resolve under strain. |
| 81. | Unbending | Not yielding to pressure. |
| 82. | Unceasing | Not stopping; continuous. |
| 83. | Uncompromising | Refusing to make concessions. |
| 84. | Undaunted | Not discouraged; keeps going. |
| 85. | Unflagging | Not weakening in effort. |
| 86. | Unflappable | Not easily rattled; steady. |
| 87. | Unrelenting | Not easing up; persistent. |
| 88. | Unshakable | Not easily disturbed or changed. |
| 89. | Untiring | Not growing tired; tireless. |
| 90. | Unwavering | Not faltering or changing. |
| 91. | Unwearied | Not tired; continuing strongly. |
| 92. | Vigilant | Watchful and consistently alert. |
| 93. | Vigorous | Strong and sustained in action. |
| 94. | Viscous | Thickly clinging; hard to remove. |
| 95. | Wedded | Strongly attached; not letting go. |
| 96. | Willful | Stubbornly self-directed; headstrong. |
| 97. | Wiry | Tough and enduring in effort. |
| 98. | Withstanding | Holding up against pressure. |
| 99. | Workmanlike | Steady, practical, and reliable. |
| 100. | Xenodochial | Unusually constant in welcoming others. |