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You are here: Home / Vocabulary / 100 Other Words for “Complex”

100 Other Words for “Complex”

February 18, 2026

100 Other Words for

No. Term Definition
1. abstruse Hard to understand; obscure.
2. advanced Highly developed; not basic.
3. ambiguous Open to multiple meanings.
4. arcane Known by few; mysterious.
5. artful Cleverly devised; skillful.
6. asymmetric Lacking symmetry; unevenly balanced.
7. baroque Highly ornate; elaborate.
8. bewildering Confusing; hard to follow.
9. byzantine Excessively intricate; convoluted.
10. circuitous Roundabout; indirect; winding.
11. complicated Difficult; with many parts.
12. convoluted Twisted; hard to untangle.
13. cryptic Mysterious; not easily understood.
14. daunting Intimidatingly difficult.
15. deep Profound; not superficial.
16. dense Tightly packed; hard to parse.
17. detailed Containing many specifics.
18. difficult Not easy; challenging.
19. elaborate Richly detailed; carefully planned.
20. enigmatic Puzzling; hard to interpret.
21. entangled Twisted together; hard to separate.
22. esoteric Understood by a select few.
23. exacting Demanding great precision.
24. fancy Ornate; decorative; not plain.
25. fathomless Impossible to fully understand.
26. formidable Impressively difficult to handle.
27. gordian Extremely difficult to solve.
28. granular Fine in detail; highly specific.
29. hairy Difficult; full of complications.
30. hard Not easy to do or grasp.
31. heavy Serious; intellectually demanding.
32. hermetic Sealed off; hard to access.
33. highbrow Intellectually sophisticated; elite.
34. impenetrable Impossible to understand.
35. inaccessible Hard to reach or comprehend.
36. intricate Very detailed; tightly interwoven.
37. involved Having many parts or steps.
38. knotty Full of difficult problems.
39. labyrinthine Like a maze; very involved.
40. layered Built from multiple levels.
41. loaded Carrying many implications.
42. manifold Many and varied; multiple.
43. many-sided Having many aspects.
44. maze-like Confusingly winding; intricate.
45. meandering Winding; not straightforward.
46. multifaceted Having many different facets.
47. multilayered Composed of several layers.
48. multivariate Involving multiple variables.
49. mysterious Not easily explained or understood.
50. nested Contained within layers or levels.
51. nuanced Full of subtle distinctions.
52. obscure Not clear; hard to understand.
53. opaque Not transparent; hard to grasp.
54. ornate Elaborately decorated.
55. overdetermined Shaped by many causes.
56. overwrought Overly elaborate; too intricate.
57. perplexing Confusing; puzzling.
58. polycentric Having multiple centers.
59. polychromatic Having many colors; varied.
60. polyglot Involving multiple languages.
61. polymathic Showing wide-ranging learning.
62. polymorphic Taking many forms.
63. ponderous Heavy; slow to process.
64. profound Deeply insightful; far-reaching.
65. puzzling Hard to make sense of.
66. ramified Having many branches or offshoots.
67. recondite Little known; hard to understand.
68. recursive Defined by repeating itself.
69. refined Highly developed; sophisticated.
70. rich Full of detail or meaning.
71. rococo Extremely ornate in style.
72. sophisticated Highly developed; complex in thought.
73. sprawling Wide-ranging; not tightly organized.
74. subtle Not obvious; delicately intricate.
75. tangled Intertwined; hard to unravel.
76. technical Requiring specialized knowledge.
77. thorny Full of difficult issues.
78. tight-knit Closely interconnected; interdependent.
79. tortuous Full of twists; complicated.
80. tricky Difficult; easy to get wrong.
81. turbulent Unstable; hard to predict.
82. unfathomable Impossible to comprehend fully.
83. unwieldy Hard to manage; cumbersome.
84. variegated Diverse; varied in form.
85. various Of many different kinds.
86. verbose Using too many words.
87. vexing Annoyingly difficult.
88. winding Curving; not direct.
89. wired Strangely complicated; baffling.
90. wonky Unstable; oddly complicated.
91. worldly Experienced; sophisticated.
92. wrinkled Full of complications; not smooth.
93. xenial Relating to hospitality; nuanced.
94. xenodochial Friendly to strangers; nuanced.
95. xenogenic Originating from outside.
96. xenolithic Containing foreign rock fragments.
97. xeric Dry-region; specialized ecological term.
98. xylophonic Relating to wooden tones; technical.
99. xystus-like Resembling a garden walk; niche.
100. yarn-spun Storylike; winding and layered.
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