| No. | Item | Definition |
|---|---|---|
| 1. | appropriate | suitable and tactful |
| 2. | attentive | carefully observant and considerate |
| 3. | balanced | sensible and well controlled |
| 4. | bashful | shy and self-conscious |
| 5. | behind the scenes | done privately, not publicly |
| 6. | button-lipped | keeping silent |
| 7. | buttoned-up | emotionally reserved and controlled |
| 8. | cagey | careful not to reveal much |
| 9. | careful | avoiding attention or trouble |
| 10. | cautious | careful to avoid problems |
| 11. | circumspect | careful and prudent in speech |
| 12. | civil | polite and restrained |
| 13. | closemouthed | not likely to reveal secrets |
| 14. | confidential | meant to be kept private |
| 15. | considerate | careful of others’ feelings |
| 16. | courteous | polite and considerate |
| 17. | courtly | formally polite and tactful |
| 18. | decorous | showing proper restraint |
| 19. | deferential | respectfully restrained |
| 20. | deliberate | done with careful thought |
| 21. | delicate | requiring careful tact |
| 22. | demure | modest and reserved in manner |
| 23. | diffident | modest and lacking self-assertion |
| 24. | diplomatic | skillful and tactful with others |
| 25. | discriminating | showing careful judgment |
| 26. | dispassionate | calm and not emotionally revealing |
| 27. | elliptical | leaving things partly unsaid |
| 28. | even-tempered | calm and not reactive |
| 29. | forbearing | patiently restrained |
| 30. | furtive | secretive and avoiding notice |
| 31. | gentle | mild and careful in manner |
| 32. | gracious | pleasantly kind and tactful |
| 33. | guarded | cautious in what is said |
| 34. | hush-hush | kept secret and quiet |
| 35. | hushed | quiet and subdued |
| 36. | imperturbable | not easily upset or flustered |
| 37. | inconspicuous | not easily noticed |
| 38. | indirect | not stated openly |
| 39. | inoffensive | unlikely to upset anyone |
| 40. | intentional | done on purpose and carefully |
| 41. | introverted | reserved and inward-focused |
| 42. | judicious | showing sound and careful judgment |
| 43. | level-headed | sensible and calm |
| 44. | low-key | deliberately quiet and understated |
| 45. | measured | careful and controlled |
| 46. | mindful | carefully aware and considerate |
| 47. | moderate | not excessive or extreme |
| 48. | modest | not showy or attention-seeking |
| 49. | mum | silent about something |
| 50. | mum’s the word | keep it secret |
| 51. | muted | soft and not conspicuous |
| 52. | noncommittal | avoiding clear disclosure or stance |
| 53. | nonintrusive | not interfering or obtrusive |
| 54. | off the record | not for public disclosure |
| 55. | on the quiet | secretly and discreetly |
| 56. | poised | graceful and self-controlled |
| 57. | polished | smooth and socially tactful |
| 58. | private | not open or public |
| 59. | proper | socially correct and restrained |
| 60. | prudent | showing careful good judgment |
| 61. | quiet | not loud or conspicuous |
| 62. | refined | cultured and restrained |
| 63. | reserved | quiet and self-controlled |
| 64. | respectful | showing considerate restraint |
| 65. | restrained | controlled and not showy |
| 66. | reticent | not revealing much |
| 67. | secretive | inclined to keep things private |
| 68. | sedate | calm, quiet, and dignified |
| 69. | seemly | proper and suitably restrained |
| 70. | self-controlled | keeping emotions and actions controlled |
| 71. | self-restrained | holding back words or actions |
| 72. | sensitive | aware of others’ feelings |
| 73. | sober | serious and restrained |
| 74. | soft-spoken | speaking gently and quietly |
| 75. | staid | serious and not showy |
| 76. | suave | smoothly polite and controlled |
| 77. | subtle | not obvious or conspicuous |
| 78. | tactful | careful not to offend or reveal |
| 79. | tactical | carefully chosen for advantage |
| 80. | tasteful | showing good restrained style |
| 81. | temperate | moderate and self-restrained |
| 82. | thoughtful | showing careful consideration |
| 83. | tight-lipped | unwilling to reveal information |
| 84. | timid | lacking boldness; reserved |
| 85. | toned-down | made less noticeable |
| 86. | unassertive | not forceful or pushy |
| 87. | unassuming | modest and not showy |
| 88. | undercover | done in secret |
| 89. | understated | expressed in a restrained way |
| 90. | unflappable | remaining calm under pressure |
| 91. | unflashy | not flashy or attention-seeking |
| 92. | unobtrusive | not attracting notice |
| 93. | unruffled | calm and undisturbed |
| 94. | urbane | suave and tactful |
| 95. | veiled | partly hidden or indirect |
| 96. | vigilant | carefully alert to risk |
| 97. | wary | careful and watchful |
| 98. | watchful | alert and cautious |
| 99. | well-mannered | showing polite restraint |
| 100. | withdrawn | reserved and not open |
