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100 Best Synonyms for “Significant”

June 14, 2026

100 Best Synonyms for

No. Item Definition
1. ample more than enough; considerable
2. apparent clear and easy to see
3. appreciable large enough to notice
4. basic forming an essential foundation
5. big important or considerable
6. central most important or essential
7. chief most important or main
8. clear easy to see or understand
9. commanding having strong importance or authority
10. consequential having important results or effects
11. considerable fairly large or important
12. critical decisive or extremely important
13. crucial extremely important to success
14. decided clear and unmistakable
15. decisive settling an issue or outcome
16. definite clear and certain
17. discernible able to be perceived
18. distinct clearly different or noticeable
19. dominant most influential or important
20. dramatic strikingly noticeable or impressive
21. enormous very large in size or impact
22. essential absolutely necessary or important
23. evident clearly seen or understood
24. exceptional unusually good or important
25. extensive large in range or amount
26. extraordinary very unusual or remarkable
27. far-reaching having wide effects
28. forceful strong and effective
29. foremost most important or leading
30. formative shaping later development
31. foundational forming an important basis
32. fundamental basic and very important
33. game-changing causing major strategic change
34. germane relevant to the subject
35. governing having controlling influence
36. grave serious and important
37. great large in amount or importance
38. historic important in history
39. huge very large or important
40. immense extremely large or great
41. imperative absolutely necessary and urgent
42. important having great value or influence
43. impressive causing admiration or attention
44. indispensable absolutely necessary
45. influential having power to affect events
46. integral necessary to make something complete
47. key very important or central
48. landmark important as a turning point
49. large great in size or amount
50. leading most important or advanced
51. life-changing causing major personal change
52. loaded carrying extra meaning or importance
53. major large or important in effect
54. manifest clearly shown or obvious
55. marked clearly noticeable or evident
56. massive very large or substantial
57. material important to the matter
58. meaning-laden full of meaning or importance
59. meaningful having real meaning or value
60. measurable large enough to measure
61. momentous extremely important or historic
62. necessary needed or essential
63. newsworthy important enough for news
64. notable worthy of attention or notice
65. noteworthy deserving attention or notice
66. noticeable easy to notice
67. obvious easily seen or understood
68. outstanding clearly excellent or notable
69. palpable clearly felt or noticeable
70. perceptible noticeable to the senses
71. pivotal central and decisive
72. powerful having strong effect or influence
73. primary main or most important
74. principal main or most important
75. prominent important and easily noticed
76. pronounced very noticeable or clear
77. relevant closely connected and important
78. remarkable worthy of notice or comment
79. required needed or necessary
80. requisite required and necessary
81. revealing showing something important
82. rich full of meaning or value
83. salient most noticeable or important
84. serious important and not trivial
85. sizable fairly large or considerable
86. striking noticeably impressive or unusual
87. substantial large enough to matter
88. substantive having real importance or substance
89. tangible real and noticeable
90. telling revealing or strongly indicative
91. transformative causing important change
92. undeniable impossible to deny
93. unmistakable impossible to mistake
94. valuable having worth or importance
95. vast extremely large in extent
96. vital essential or very important
97. watershed marking a turning point
98. weighty serious and important
99. wide-ranging covering many areas
100. worthwhile worth the time or effort
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