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100 Best Synonyms for “Lengthy”

October 8, 2026

100 Best Synonyms for

No. Item Definition
1. age-long lasting for ages
2. age-old very old and long existing
3. all-encompassing covering everything within scope
4. all-inclusive including everything relevant
5. book-length as long as a book
6. boring uninteresting and too long
7. broad covering a wide range
8. bulky large and unwieldy
9. ceaseless continuing without pause
10. chronic lasting a very long time
11. circumstantial full of excessive detail
12. comprehensive covering much in detail
13. considerable fairly large in amount
14. continuing still happening or lasting
15. continuous going on without interruption
16. detailed including many particulars
17. diffuse not concise; spread out
18. discursive wandering at length from point
19. dragging moving or lasting too slowly
20. drawn-out lasting longer than necessary
21. dreary dull and dragging on
22. durable lasting for a long time
23. elaborate detailed and carefully developed
24. elongated stretched to unusual length
25. encyclopedic extremely broad and detailed
26. endless seemingly without an end
27. exhaustive including every possible detail
28. expansive covering much detail at length
29. extended made longer than usual
30. extensive large in amount or scope
31. far-flung spread over a wide area
32. far-reaching extending over a wide range
33. feature-length as long as a feature film
34. full containing many details
35. gradual happening slowly over time
36. grand large and impressive
37. great large in amount or extent
38. high-volume large in amount or output
39. in-depth very detailed and thorough
40. incessant continuing without interruption
41. interminable annoyingly long and unending
42. involved complicated and lengthy
43. jumbo very large in size
44. labored overworked and wordy
45. large-scale extensive in size or scope
46. lasting continuing for a long time
47. lengthened made longer in extent
48. lingering continuing for a long time
49. long lasting or extending a great length
50. longish somewhat long
51. mammoth very large and lengthy
52. massive very large in size
53. maximal greatest possible in extent
54. meaty substantial and full of content
55. minute very detailed and precise
56. monumental very large and extensive
57. never-ending appearing to go on forever
58. not brief long rather than short
59. not short having considerable length
60. of extended duration lasting longer than usual
61. of great length very long
62. of long duration lasting a long time
63. of some length fairly long
64. ongoing still continuing
65. overlong too long in extent
66. perennial lasting for a very long time
67. perpetual never ending or changing
68. persistent continuing for a long time
69. ponderous heavy and tediously slow
70. prolix using too many words
71. prolonged continuing for a long time
72. protracted lasting longer than expected
73. rambling long and not well focused
74. relentless continuing without stopping
75. run-on continuing too long without pause
76. saga-like resembling a long saga
77. slow-moving progressing at a slow pace
78. spread-out distributed over a long span
79. stretched made longer than normal
80. substantial considerable in size or length
81. sustained maintained for a long period
82. tedious too long and boring
83. thick having many pages or layers
84. thorough complete and detailed
85. time-consuming requiring a lot of time
86. tiresome causing boredom by length
87. unabridged not shortened from original
88. uncut not shortened or edited
89. unending continuing without stopping
90. unhurried done without rushing
91. unrelenting not easing or stopping
92. vast very great in size
93. verbose using too many words
94. voluminous large in amount or length
95. wall-to-wall covering the whole extent
96. wearisome tiring because it is long
97. weighty heavy or substantial in amount
98. wide-ranging covering many areas or details
99. windy wordy and long-winded
100. wordy using more words than necessary
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