| No. | Item | Definition |
|---|---|---|
| 1. | abstruse | difficult to understand deeply |
| 2. | allusive | suggesting rather than stating directly |
| 3. | ambiguous | having more than one meaning |
| 4. | arcane | understood by only a few |
| 5. | baffling | impossible to understand or explain |
| 6. | bewildering | extremely confusing or puzzling |
| 7. | blurred | made unclear or indistinct |
| 8. | broken | not smoothly or clearly expressed |
| 9. | buried | hidden beneath the surface |
| 10. | camouflaged | concealed to avoid notice |
| 11. | circumlocutory | using many indirect words |
| 12. | cloaked | hidden or disguised in expression |
| 13. | coded | expressed in secret form |
| 14. | concealed | kept from being seen clearly |
| 15. | confusing | difficult to understand clearly |
| 16. | covert | not openly shown or stated |
| 17. | curious | odd and hard to explain |
| 18. | delphic | mysteriously obscure in meaning |
| 19. | dim | not clear or distinct |
| 20. | disconnected | not clearly linked or coherent |
| 21. | disguised | hidden under a different form |
| 22. | disjointed | lacking clear connection or order |
| 23. | double-edged | having two possible meanings |
| 24. | double-meaning | having more than one meaning |
| 25. | elliptical | using words that leave things unsaid |
| 26. | elusive | difficult to grasp clearly |
| 27. | enigmatic | mysterious and hard to understand |
| 28. | enigmatical | mysterious and difficult to interpret |
| 29. | equivocal | open to more than one meaning |
| 30. | esoteric | understood by a small group |
| 31. | faint | not clear or strong |
| 32. | foggy | unclear or confused |
| 33. | fragmentary | incomplete and hard to follow |
| 34. | gnomic | brief and hard to understand |
| 35. | guarded | careful and not fully revealing |
| 36. | hard to decode | difficult to figure out |
| 37. | hard to fathom | difficult to understand deeply |
| 38. | hard to parse | difficult to understand clearly |
| 39. | hard to read | difficult to interpret |
| 40. | hazy | not clear or definite |
| 41. | hermetic | sealed off from understanding |
| 42. | hidden | kept out of sight or knowledge |
| 43. | impenetrable | too difficult to understand |
| 44. | implicit | understood though not stated |
| 45. | incoherent | not clear or logically connected |
| 46. | incomprehensible | impossible to understand |
| 47. | indistinct | not clear or sharply defined |
| 48. | inscrutable | impossible to understand or interpret |
| 49. | knotty | difficult to understand or solve |
| 50. | laconic | using very few words |
| 51. | layered | having several levels of meaning |
| 52. | loaded | carrying hidden meaning |
| 53. | masked | concealed behind another meaning |
| 54. | misty | vague or indistinct |
| 55. | muddled | confused and hard to follow |
| 56. | murky | dark, confused, or unclear |
| 57. | mysterious | difficult to explain or understand |
| 58. | mystifying | making something hard to understand |
| 59. | not explicit | not stated directly |
| 60. | not plain | not clearly expressed |
| 61. | not straightforward | indirect or hard to follow |
| 62. | not transparent | not easy to understand |
| 63. | numinous | mysteriously significant or spiritual |
| 64. | oblique | indirect or not straightforward |
| 65. | obscure | not clear or easily understood |
| 66. | occult | hidden or mysterious |
| 67. | odd | unusual or puzzling |
| 68. | offbeat | unusual and not straightforward |
| 69. | opaque | hard to understand or interpret |
| 70. | oracular | mysteriously wise or obscure |
| 71. | peculiar | strange or difficult to explain |
| 72. | periphrastic | expressed in a roundabout way |
| 73. | perplexing | causing uncertainty or confusion |
| 74. | pointed | having implied meaning |
| 75. | pregnant | full of hidden meaning |
| 76. | puzzling | causing confusion or uncertainty |
| 77. | recondite | little known and hard to grasp |
| 78. | resonant | suggestive of deeper meaning |
| 79. | riddling | full of puzzling meaning |
| 80. | roundabout | indirect rather than straightforward |
| 81. | rune-like | resembling mysterious symbols |
| 82. | secret | not openly revealed |
| 83. | shadowy | vague and hard to make out |
| 84. | shrouded | covered or hidden from understanding |
| 85. | slippery | hard to pin down |
| 86. | smudged | blurred and hard to read |
| 87. | strange | unusual and hard to understand |
| 88. | tacit | understood without being stated |
| 89. | telegraphic | brief and stripped of detail |
| 90. | terse | brief and possibly unclear |
| 91. | thorny | difficult and complicated |
| 92. | tricky | difficult to understand or handle |
| 93. | uncanny | strangely mysterious or unsettling |
| 94. | uncertain | not definite or clear |
| 95. | unclear | not easy to understand |
| 96. | unintelligible | not understandable |
| 97. | unstated | not directly expressed |
| 98. | vague | not clearly expressed |
| 99. | veiled | expressed in a hidden way |
| 100. | weird | strangely difficult to explain |