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100 Best Synonyms for “Sign”

March 23, 2026

100 Best Synonyms for

No. Item Definition
1. agreement a sign of shared decision
2. alarm a warning signal of danger
3. approval an official sign of agreement
4. arrow a symbol indicating direction
5. assent agreement expressed as a sign
6. assurance a sign that reduces doubt
7. authorization official permission or sign of consent
8. autograph a person’s own signature
9. badge a sign of rank or membership
10. banner a long sign or display strip
11. barometer an indicator of pressure or conditions
12. beacon a light serving as a signal
13. bell a ringing signal or alert
14. billboard a large outdoor advertising sign
15. board a flat sign displaying information
16. call a signal or cry to attract attention
17. clue a hint pointing to an answer
18. confirmation a sign that something is correct
19. consent a sign of willingness or agreement
20. cry a loud call as a signal
21. cue a prompt to act or respond
22. dashboard a panel showing indicators
23. declaration an official statement as a sign
24. demonstration a clear showing of something
25. dial a face showing readings or settings
26. display a visible presentation or sign
27. documentation papers serving as evidence
28. emblem a symbolic sign representing something
29. endorsement a public sign of support
30. evidence facts showing something exists or happened
31. expression a sign of a feeling or idea
32. flare a bright signal light
33. flash a brief light used as a signal
34. gauge an instrument indicating a level
35. gesture a movement used as a signal
36. giveaway something that reveals the truth
37. go-ahead permission sign to continue
38. green light a sign to proceed
39. guidepost a post with directional signs
40. hand signal a gesture used to communicate
41. hint a small suggestion or indication
42. icon a widely recognized symbol
43. ID a document proving identity
44. imprint a mark left by pressure
45. indication a sign that something is true
46. indicator something that shows a condition
47. insignia a distinguishing badge or symbol
48. label a tag identifying something
49. landmark a prominent marker used for guidance
50. letter a written message or notice
51. license official permission shown by a document
52. logo a graphic symbol for a brand
53. manifestation a clear sign of something
54. mark a visible indication or trace
55. marker an object used to mark or indicate
56. message information conveyed as a sign
57. meter a device showing a measurement
58. milestone a marker showing progress or distance
59. nameplate a plate showing a name
60. needle a pointer on a gauge
61. nod a head movement signaling agreement
62. note a short written message
63. notice a posted sign giving information
64. noticeboard a board for public notices
65. omen an event seen as a portent
66. placard a signboard with a message
67. pointer something that directs attention
68. portent a warning sign of something coming
69. post an upright support for a sign
70. poster a printed sign for display
71. posting a public notice or sign
72. print a mark or impression left behind
73. proof evidence that confirms something
74. readout a display showing a measurement
75. receipt written proof of payment
76. record documented proof or evidence
77. red flag a warning sign of trouble
78. reflection a sign of something underlying
79. salute a gesture showing respect or greeting
80. seal an official mark of approval
81. showing a display that indicates something
82. signal a gesture or action conveying information
83. signature a person’s written name as identification
84. stamp a mark made by pressing a device
85. symbol something that represents something else
86. symptom a sign of illness or condition
87. tag a label attached as identification
88. tell a revealing sign or giveaway
89. testimony a statement serving as evidence
90. thermometer a device indicating temperature
91. token a visible or tangible indication
92. trace a small remaining sign of something
93. validation confirmation that something is acceptable
94. verification a sign that something is true
95. warning a sign of possible danger
96. warrant a document authorizing an action
97. wave a hand motion used as a signal
98. waymark a sign marking a route
99. whistle a sharp sound used as a signal
100. yellow flag a cautionary sign or warning
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