| No. | Item | Definition |
|---|---|---|
| 1. | aloof | emotionally distant and detached |
| 2. | backward | shy in social situations |
| 3. | bashful | shy and easily embarrassed |
| 4. | blank-faced | showing no expression |
| 5. | bookish | quiet and inward-focused |
| 6. | brief | using few words |
| 7. | brooding | quietly absorbed and withdrawn |
| 8. | buttoned-down | conservative and restrained |
| 9. | buttoned-up | not emotionally open |
| 10. | cautious | careful and not impulsive |
| 11. | circumspect | cautious and restrained |
| 12. | closed | not emotionally open |
| 13. | closemouthed | not revealing much |
| 14. | composed | calm and self-controlled |
| 15. | contained | kept under emotional control |
| 16. | contemplative | quietly thoughtful |
| 17. | cool | calm and emotionally controlled |
| 18. | decorous | proper and restrained |
| 19. | demure | quiet and modest |
| 20. | detached | emotionally uninvolved |
| 21. | diffident | lacking confidence; shy |
| 22. | dignified | calm and self-restrained |
| 23. | discreet | careful and unobtrusive |
| 24. | dispassionate | free from strong emotion |
| 25. | distant | not warm or open |
| 26. | economical | using few words or gestures |
| 27. | equable | calm and even |
| 28. | even-tempered | calm and not reactive |
| 29. | expressionless | showing no obvious feeling |
| 30. | formal | following social restraint |
| 31. | grave | serious and restrained |
| 32. | guarded | careful about showing feelings |
| 33. | hard to read | not revealing feelings clearly |
| 34. | hesitant | slow to speak or act |
| 35. | hushed | quiet and subdued |
| 36. | impassive | showing little emotion |
| 37. | inhibited | held back in expression |
| 38. | introspective | focused on inner thoughts |
| 39. | introverted | focused inward, not outgoing |
| 40. | laconic | using very few words |
| 41. | low-key | subtle and not showy |
| 42. | mannerly | polite and restrained |
| 43. | matter-of-fact | practical and unemotional |
| 44. | measured | careful and controlled |
| 45. | meditative | deeply quiet and thoughtful |
| 46. | meek | quiet and submissive |
| 47. | mild | gentle and not forceful |
| 48. | modest | not boastful or showy |
| 49. | mousey | quiet, shy, and unnoticed |
| 50. | mousy | quiet, shy, and plain |
| 51. | muted | soft and restrained |
| 52. | mysterious | not revealing much |
| 53. | not forthcoming | not volunteering information |
| 54. | opaque | hard to read emotionally |
| 55. | passive | not taking initiative |
| 56. | pensive | quietly thoughtful |
| 57. | phlegmatic | calm and unemotional |
| 58. | placid | calm and undisturbed |
| 59. | poker-faced | showing no emotion |
| 60. | prim | very proper and restrained |
| 61. | private | not open about personal matters |
| 62. | proper | behaving with restraint |
| 63. | quiet | not talkative or loud |
| 64. | reclusive | avoiding company |
| 65. | reflective | thoughtful and inward-looking |
| 66. | remote | emotionally detached |
| 67. | repressed | holding feelings back |
| 68. | restrained | controlled and not expressive |
| 69. | reticent | not inclined to speak much |
| 70. | retired | withdrawn from active social life |
| 71. | retiring | shy and fond of privacy |
| 72. | sedate | calm and dignified |
| 73. | self-contained | emotionally independent and contained |
| 74. | shy | socially timid and restrained |
| 75. | silent | not speaking |
| 76. | sober | serious and restrained |
| 77. | soft-spoken | speaking gently and quietly |
| 78. | sparing | using little expression |
| 79. | standoffish | distant and not friendly |
| 80. | stoic | enduring without showing feelings |
| 81. | subdued | quiet and restrained |
| 82. | taciturn | saying very little |
| 83. | tentative | not bold or certain |
| 84. | tight-lipped | unwilling to say much |
| 85. | timid | not bold or assertive |
| 86. | tranquil | calm and quiet |
| 87. | unassuming | modest and not forward |
| 88. | uncommunicative | not willing to talk |
| 89. | undemonstrative | not openly affectionate or expressive |
| 90. | unemotional | not showing emotion |
| 91. | unflappable | not easily upset or expressive |
| 92. | unreadable | hard to interpret emotionally |
| 93. | unsentimental | not emotionally expressive |
| 94. | unsmiling | not showing friendly expression |
| 95. | unsocial | not sociable or outgoing |
| 96. | wallflowerish | shy and socially retiring |
| 97. | wary | careful and guarded |
| 98. | well-behaved | behaving quietly and properly |
| 99. | well-mannered | polite and restrained |
| 100. | withdrawn | keeping to oneself |