100 Best Synonyms for “Undermine”

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.