| No. | Item | Definition |
|---|---|---|
| 1. | ashen | pale gray and lifeless |
| 2. | austere | plain and without decoration |
| 3. | banal | so common as dull |
| 4. | bare | plain and lacking decoration |
| 5. | barren | empty and uninteresting |
| 6. | beige | light brown and plain |
| 7. | bland | lacking flavor, color, or interest |
| 8. | bleak | cold, bare, and cheerless |
| 9. | boring | not interesting or exciting |
| 10. | brownish | somewhat brown and dull |
| 11. | characterless | lacking personality or distinction |
| 12. | charmless | without appeal or delight |
| 13. | cheerless | without cheer or brightness |
| 14. | colorless | without vivid color or character |
| 15. | commonplace | ordinary and uninteresting |
| 16. | dead | without life or excitement |
| 17. | dim | not bright or vivid |
| 18. | dingy | darkened and dirty-looking |
| 19. | dowdy | unfashionable and dull in appearance |
| 20. | dreary | depressingly dull or bleak |
| 21. | dull | lacking brightness or interest |
| 22. | dusky | dark and muted |
| 23. | dusty | dull and powdery-looking |
| 24. | earthy | brownish and muted |
| 25. | empty | lacking life or interest |
| 26. | everyday | common and not special |
| 27. | faded | less bright than before |
| 28. | featureless | without noticeable features |
| 29. | flat | lacking liveliness or sparkle |
| 30. | forbidding | unfriendly and bleak |
| 31. | formulaic | following a dull pattern |
| 32. | frumpy | plain and unattractive |
| 33. | funereal | grim and mournfully dull |
| 34. | garden-variety | common and unremarkable |
| 35. | generic | lacking distinctive character |
| 36. | gloomy | dark, dull, and depressing |
| 37. | glum | gloomy and unhappy |
| 38. | gray | dull and lacking color |
| 39. | grim | stern and cheerless |
| 40. | homespun | plain and unsophisticated |
| 41. | humdrum | ordinary and dull |
| 42. | insipid | lacking interest or character |
| 43. | institutional | plain and impersonal |
| 44. | joyless | without happiness or delight |
| 45. | khaki | dull yellow-brown color |
| 46. | lackluster | lacking shine or excitement |
| 47. | leaden | heavy, dull, and lifeless |
| 48. | lifeless | without energy or vividness |
| 49. | listless | lacking energy or interest |
| 50. | low-key | quiet and not flashy |
| 51. | mechanical | lacking warmth or spontaneity |
| 52. | melancholy | sad and gloomy |
| 53. | middle-of-the-road | safe and unexciting |
| 54. | mirthless | without joy or amusement |
| 55. | monotonous | repetitive and lacking variety |
| 56. | morose | gloomy and ill-tempered |
| 57. | muddy | dirty-looking and dull-colored |
| 58. | muted | toned down in color |
| 59. | neutral | not bright or vivid |
| 60. | nondescript | lacking distinctive features |
| 61. | obscure | not clear or vivid |
| 62. | ordinary | not special or striking |
| 63. | pale | light and lacking intensity |
| 64. | pedestrian | dull and unimaginative |
| 65. | plain | simple and not attractive |
| 66. | plodding | slow and unimaginative |
| 67. | prosaic | commonplace and unimaginative |
| 68. | restrained | controlled and not vivid |
| 69. | routine | usual and unexciting |
| 70. | run-of-the-mill | ordinary and unremarkable |
| 71. | severe | plain, harsh, and unadorned |
| 72. | smoky | grayish and muted |
| 73. | smudgy | marked and dull-looking |
| 74. | sober | plain and restrained |
| 75. | somber | dark, dull, and serious |
| 76. | spiritless | lacking energy or life |
| 77. | stale | no longer fresh or exciting |
| 78. | stark | bare and sharply plain |
| 79. | subdued | softened and not vivid |
| 80. | tan | brownish and muted |
| 81. | taupe | gray-brown and subdued |
| 82. | tedious | too long and dull |
| 83. | threadbare | worn and lacking freshness |
| 84. | tiresome | annoyingly dull or tiring |
| 85. | toned-down | made less vivid |
| 86. | trite | overused and dull |
| 87. | unadorned | plain and undecorated |
| 88. | undecorated | without ornament or detail |
| 89. | understated | subtle and not showy |
| 90. | unembellished | plain and not decorated |
| 91. | uneventful | without exciting events |
| 92. | uninspired | lacking originality or excitement |
| 93. | uninteresting | not holding attention |
| 94. | unremarkable | not especially interesting |
| 95. | vapid | offering nothing stimulating |
| 96. | wan | pale and lacking vitality |
| 97. | washed-out | faded and lacking freshness |
| 98. | wearisome | tiring because dull |
| 99. | wooden | stiff and lacking feeling |
| 100. | workaday | ordinary and routine |