| No. | Item | Definition |
|---|---|---|
| 1. | adamant | refusing to change or yield |
| 2. | ambitious | requiring high achievement |
| 3. | arduous | very difficult and tiring |
| 4. | assiduous | showing persistent careful effort |
| 5. | authoritarian | favoring strict obedience to authority |
| 6. | backbreaking | extremely hard physical work |
| 7. | bossy | always telling others what to do |
| 8. | brutal | extremely harsh or difficult |
| 9. | burdensome | hard to bear or manage |
| 10. | by-the-book | following rules very strictly |
| 11. | cantankerous | bad-tempered and difficult to please |
| 12. | ceremonious | overly formal and exacting |
| 13. | challenging | difficult and requiring effort |
| 14. | choosy | hard to please in choices |
| 15. | conscientious | wishing to do things well |
| 16. | crabby | irritable and hard to satisfy |
| 17. | depleting | draining strength or resources |
| 18. | detail-oriented | focused strongly on details |
| 19. | difficult | not easy to do or satisfy |
| 20. | diligent | showing steady careful effort |
| 21. | disciplinarian | strict about rules and behavior |
| 22. | disciplined | showing controlled, strict effort |
| 23. | discriminating | showing careful judgment in choices |
| 24. | draining | causing tiredness or depletion |
| 25. | elitist | favoring high exclusive standards |
| 26. | enervating | causing weakness or fatigue |
| 27. | exacting | requiring great care or precision |
| 28. | exclusionary | setting hard requirements for entry |
| 29. | exhausting | using up energy completely |
| 30. | exigent | pressing and requiring immediate action |
| 31. | fastidious | very attentive to detail |
| 32. | fatiguing | making someone tired |
| 33. | finicky | fussy about small details |
| 34. | firm | strict and not easily swayed |
| 35. | formalistic | overly concerned with rules |
| 36. | formidable | impressively difficult or challenging |
| 37. | fussy | hard to please about details |
| 38. | greedy | wanting more than needed |
| 39. | grueling | extremely tiring and difficult |
| 40. | grumpy | bad-tempered and difficult |
| 41. | hard | difficult and requiring effort |
| 42. | harrowing | extremely distressing and difficult |
| 43. | harsh | severe and difficult to accept |
| 44. | high-maintenance | needing much attention or effort |
| 45. | high-pressure | intensely forceful or stressful |
| 46. | hungry | having a strong need or desire |
| 47. | imperious | commanding in a proud way |
| 48. | importunate | persistently asking or urging |
| 49. | inflexible | not willing to change requirements |
| 50. | insatiable | never easily satisfied |
| 51. | insistent | persistently requiring attention or action |
| 52. | intense | very strong or demanding |
| 53. | laborious | requiring much time and effort |
| 54. | merciless | showing no easing or pity |
| 55. | methodical | done in an orderly careful way |
| 56. | meticulous | showing great attention to detail |
| 57. | nagging | persistently demanding attention |
| 58. | needy | requiring much attention or support |
| 59. | nerve-racking | causing intense stress or anxiety |
| 60. | no-nonsense | strictly practical and firm |
| 61. | onerous | involving heavy obligations or effort |
| 62. | overbearing | domineering and hard to deal with |
| 63. | painstaking | taking great care and effort |
| 64. | particular | careful and hard to satisfy |
| 65. | perfectionist | expecting flawless results |
| 66. | picky | overly selective and hard to please |
| 67. | pitiless | without mercy or relief |
| 68. | precise | requiring exact correctness |
| 69. | probing | searching deeply for details |
| 70. | punishing | severely difficult or exhausting |
| 71. | quality-conscious | very concerned with quality |
| 72. | querulous | complaining in a demanding way |
| 73. | ravenous | extremely hungry or eager |
| 74. | refined | having exacting tastes or standards |
| 75. | relentless | unremittingly severe or exacting |
| 76. | rigorous | extremely thorough and strict |
| 77. | rule-bound | closely following strict rules |
| 78. | scrupulous | careful to meet high standards |
| 79. | severe | harsh and exacting |
| 80. | steep | high and difficult to meet |
| 81. | stern | serious and strict in manner |
| 82. | strenuous | requiring great effort and energy |
| 83. | stressful | causing mental strain or pressure |
| 84. | strict | enforcing high standards firmly |
| 85. | stringent | strict and severe in requirements |
| 86. | taxing | requiring much effort or energy |
| 87. | testy | easily irritated and exacting |
| 88. | thorough | done with complete care |
| 89. | touchy | easily upset and difficult |
| 90. | tough | hard to satisfy or do |
| 91. | trying | stressful and hard to endure |
| 92. | uncompromising | not lowering standards or demands |
| 93. | unforgiving | allowing little room for error |
| 94. | unrelenting | not becoming less severe |
| 95. | unsparing | not easing effort or criticism |
| 96. | unyielding | not giving way or easing |
| 97. | uptight | tense and overly strict |
| 98. | voracious | having a very great appetite |
| 99. | wearing | mentally or physically exhausting |
| 100. | wearisome | causing fatigue or boredom |