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100 Best Synonyms for “Impact”

June 15, 2026

100 Best Synonyms for

No. Item Definition
1. affect to influence or change
2. aftermath results following an event
3. alter to change something
4. amplify to increase strength or effect
5. ascendancy dominant influence or control
6. bang a loud hit
7. bearing relevance or influence
8. blow sudden damaging event
9. boost to increase or improve
10. buffet a repeated forceful blow
11. bump minor collision or hit
12. clash a collision or conflict
13. clout informal power or influence
14. collision forceful contact or clash
15. consequence a result that follows
16. control power to direct outcomes
17. cost loss or negative effect
18. crash violent collision
19. crunch a crushing collision
20. damage harmful effect
21. decide to determine an outcome
22. define to set character or limits
23. dent a visible effect or damage
24. determine to decide or control
25. dictate to control or determine firmly
26. direct to control or guide
27. dominance controlling influence
28. effect a result or influence
29. efficacy ability to produce an effect
30. enhance to improve or intensify
31. erode to weaken gradually
32. fallout negative aftereffects
33. footprint measurable effect or presence
34. force strength or power exerted
35. form to shape or create
36. frame to shape understanding
37. govern to control or determine
38. gravity seriousness or importance
39. grip strong control or influence
40. guide to direct or influence
41. harm damage or injury caused
42. have an effect to cause a result
43. heighten to increase intensity
44. hit a blow or collision
45. hold influence or control over someone
46. hurt to cause pain or damage
47. import importance or meaning
48. importance great value or consequence
49. impression a strong effect on the mind
50. influence power to affect someone or something
51. inform to influence or guide thinking
52. injury damage or harm
53. jolt sudden strong effect
54. knock a sharp hit
55. legacy lasting effect left behind
56. lessen to reduce in degree
57. leverage power used to influence outcomes
58. lower to reduce amount or level
59. magnify to make greater or stronger
60. make a difference to have a noticeable effect
61. mark a lasting sign or effect
62. matter to be important
63. modify to change partly
64. mold to shape or influence
65. moment importance or consequence
66. move to affect emotionally or physically
67. outcome the final result
68. potency strength or effectiveness
69. power ability to influence or affect
70. pressure forceful influence or persuasion
71. pull informal influence or advantage
72. punch a forceful hit
73. purchase secure hold or influence
74. ramification a further consequence
75. reduce to make smaller or less
76. register to make a noticeable effect
77. repercussion an indirect or later result
78. resonate to have emotional effect
79. result something that happens because of something
80. scar a lasting mark from damage
81. shape to influence development
82. shock sudden powerful effect
83. significance importance or meaningful effect
84. slam a forceful collision
85. smash a violent hit or collision
86. strike a hit or blow
87. sway influence or control
88. thud a dull heavy hit
89. thump a heavy hit
90. toll damage or cost caused
91. touch slight contact or influence
92. transform to change completely
93. undermine to weaken gradually
94. upset to disturb or change negatively
95. upshot the final result
96. wallop a hard hit
97. weaken to make less strong
98. weight importance or influence
99. whack a sharp hard hit
100. worsen to make worse
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