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100 Best Synonyms for “Undermine”

July 28, 2026

100 Best Synonyms for

No. Item Definition
1. arrest Stop or slow development.
2. attenuate Reduce force or intensity.
3. belittle Make seem less important.
4. besmirch Damage someone’s reputation.
5. bleed Drain resources gradually.
6. blight Damage hopes or prospects.
7. block Prevent movement or progress.
8. blunt Make less sharp or effective.
9. bog down Slow and hinder progress.
10. breach Break or damage trust.
11. break down Weaken or cause collapse.
12. cancel out Neutralize an effect.
13. cheapen Make seem less valuable.
14. choke Restrict or stifle.
15. compromise Weaken by exposing to risk.
16. constrain Limit or hold back.
17. corrode Gradually damage or weaken.
18. corrupt Spoil or morally weaken.
19. counteract Act against and reduce effect.
20. cripple Severely weaken or disable.
21. curb Restrain or limit.
22. damage Cause harm or impairment.
23. damp Reduce enthusiasm or intensity.
24. dampen Reduce strength or enthusiasm.
25. debilitate Make weak or feeble.
26. degrade Lower quality, rank, or value.
27. denigrate Criticize to lower worth.
28. deplete Use up and weaken.
29. depreciate Reduce value or esteem.
30. destabilize Make unstable or insecure.
31. devalue Reduce worth or importance.
32. dilute Make weaker by reducing concentration.
33. diminish Make smaller, weaker, or less important.
34. discount Treat as less important.
35. discredit Damage trust or reputation.
36. disparage Speak of as inferior.
37. downgrade Reduce status or importance.
38. downplay Make seem less significant.
39. drain Gradually take away strength.
40. dull Make less forceful or effective.
41. eat away at Gradually weaken or destroy.
42. enfeeble Make weak or feeble.
43. erode Gradually wear down or weaken.
44. exhaust Drain strength or resources.
45. foil Stop from succeeding.
46. frustrate Prevent plans from succeeding.
47. gnaw at Gradually trouble or weaken.
48. hamper Hinder or make difficult.
49. hinder Make progress difficult.
50. hold back Prevent progress or development.
51. impair Make worse or less effective.
52. impede Slow or obstruct progress.
53. inhibit Restrain or hinder.
54. invalidate Make legally or logically unsound.
55. lessen Make less strong or important.
56. limit Restrict extent or effectiveness.
57. lower Reduce status, value, or strength.
58. mar Spoil or damage.
59. minimize Make seem smaller or less serious.
60. mute Make less forceful or noticeable.
61. negate Cancel or make ineffective.
62. neutralize Make ineffective or harmless.
63. nullify Cancel the force of.
64. obstruct Block or get in the way.
65. offset Counterbalance or reduce effect.
66. quash Suppress or put down.
67. question Express doubt about.
68. rattle Shake confidence or composure.
69. reduce Make smaller or weaker.
70. restrain Hold back or limit.
71. restrict Limit or constrain.
72. rock Shake stability or confidence.
73. ruin Completely damage or destroy.
74. sabotage Deliberately damage or obstruct.
75. sap Gradually drain strength or confidence.
76. shake Weaken confidence or stability.
77. shatter Destroy confidence or hopes.
78. smear Damage reputation with accusations.
79. soften Make less severe or forceful.
80. stain Damage reputation or honor.
81. starve Deprive of needed resources.
82. subvert Secretly weaken or overthrow.
83. sully Damage purity or reputation.
84. taint Spoil or damage reputation.
85. tarnish Damage reputation or image.
86. tax Put heavy demands on.
87. throw doubt on Cause uncertainty about.
88. thwart Prevent success or progress.
89. torpedo Destroy or ruin a plan.
90. undercut Weaken by acting against.
91. unsettle Make uneasy or unstable.
92. upset Disturb balance or stability.
93. vitiate Spoil or impair effectiveness.
94. water down Make weaker or less forceful.
95. weaken Make less strong or effective.
96. wear away Gradually reduce or weaken.
97. wear down Gradually exhaust or weaken.
98. weigh down Burden and weaken.
99. work against Act in opposition to.
100. wreck Badly damage or ruin.

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