What is another word for undermines ?

To dispute the validity of

Verb

Lessen the effectiveness, power, or ability of, especially gradually or insidiously

throws a monkey wrench in the works of

drags through the mud

knocks the bottom out of

puts the kibosh on

throws a spanner in the works

pulls the rug out from under

minimizes^US

minimises^UK

drives a nail into the coffin of

throws monkey wrench in

cuts

strikes at the foundations

removes the sting from

reduces the powers of

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“Mistakes or excessive collateral damage can undermine its potential effectiveness.”

Verb

To dig or excavate beneath (a building or fortification) so as to make it collapse

plows^US

ploughs^UK

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“The demolition engineers did eventually undermine two of the tower's six sides.”

Verb

To erode the base or foundation of (a rock formation)

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“The lighthouse stands on a plinth of rock undermined by caves, perhaps once used by smugglers.”

Verb

drives a nail into the coffin of

To cause damage to, or have a diminishing effect on

jeopardizes^US

vandalizes^US

vandalises^UK

jeopardises^UK

has a negative effect on

causes the sacrifice of

discolours^UK

discolors^US

plays merry hell with

throws a monkey wrench into

puts out of action

puts out of commission

paralyzes^US

paralyses^UK

rains on someone's parade

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Verb

throws a spanner in the works

To cause the downfall or ruin of

neutralises^UK

neutralizes^US

throws a monkey wrench in the works of

rains on someone's parade

jeopardizes^US

jeopardises^UK

brings someone to their knees

routs

brings to ruin

brings about the downfall of

vaporizes^US

pulverizes^US

vaporises^UK

pulverises^UK

rubs out

tears down

wipes out

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Verb

brings someone to their knees

To decrease in strength or intensity

cauterises^UK

cauterizes^US

Verb

To cause to become physically weaker

immobilises^UK

immobilizes^US

paralyses^UK

paralyzes^US

confines to a wheelchair

wears oneself to a shadow

runs into the ground

wears oneself to a frazzle

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Verb

To decrease the value, character, or quality of

bastardises^UK

bastardizes^US

lessens

fouls

profanes

puts someone in their place

drags through the mud

reduces the status of

colours^UK

colors^US

dishonors^US

dishonours^UK

brutalizes^US

brutalises^UK

minimizes^US

stigmatizes^US

stigmatises^UK

dehumanizes^US

minimises^UK

dehumanises^UK

has the last laugh on

makes a fool of

makes someone eat crow

makes someone eat humble pie

takes down a peg or two

settles someone's hash

takes the wind out of your sails

disfavors^US

disfavours^UK

compromises

disesteems

brings into disrepute

drags through the mire

does a hatchet job on

detracts from

pooh-poohs

brings into disfavour

blackens someone's name

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Verb

To diminish the confidence or courage of

knocks the stuffing out of

gives someone the blues

agonizes^US

agonises^UK

takes the wind out of your sails

dashes hopes

brings tears to your eyes

appals^UK

appalls^US

paralyses^UK

terrorizes^US

paralyzes^US

puts someone off their stroke

dampens the spirits of

terrorises^UK

breaks someone's heart

takes the heart out of

knocks the wind out of

shatters the illusions of

causes someone to lose their composure

lets wind out of sails

knocks down

punctures balloon

takes down a peg or two

fills with consternation

screws up

fouls up

grates on

tries the patience of

harshes someone's mellow

gives someone the hump

tyrannizes^US

tugs at your heartstrings

tyrannises^UK

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Verb

To diminish or take credit from

Verb

knocks something on the head

To expose to danger or the risk of loss

Verb

Oppose

Verb

To put an end to, especially formally

neutralises^UK

neutralizes^US

renders null and void

declares null and void

axes^UK

equalizes^US

equalises^UK

goes back on your word

gives the thumbs down to

stabilises^UK

stabilizes^US

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Verb

To make or prove (an argument, statement, or theory) unsound or erroneous

Verb

To dismiss idly with contempt or derision

Verb

takes a turn for the worse

Become progressively worse

goes to rack and ruin

goes from bad to worse

moulders^UK

molders^US

makes something worse

appears in a poor light

falls apart at the seams

has one foot in the grave

comes apart at the seams

goes down the primrose path

leaves the straight and narrow

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Verb

To undermine, especially someone's mood, ideas or feelings

Verb

wipes off the face of the earth

To completely destroy or devastate

pulverises^UK

pulverizes^US

vaporises^UK

vaporizes^US

vandalizes^US

vandalises^UK

damages beyond repair

puts out of commission

wipes from the face of the earth

axes^US

brings someone to their knees

plays merry hell with

smashes to smithereens

removes all traces of

knocks off

blues pencil

marks out

wipes off face of earth

scores out

KO's

destroys root and branch

crushes to smithereens

carbonises^UK

carbonizes^US

immobilizes^US

immobilises^UK

blows out of the water

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Verb

To declare to be untrue

Verb

runs a smear campaign against

To bring disrepute to, especially through aspersions

stigmatises^UK

stigmatizes^US

dishonours^UK

scandalises^UK

scandalizes^US

dishonors^US

drags through the mire

drags through the mud

reflects badly on

bad-mouths

brings into disrepute

spreads scandal about

does a hatchet job on

vitiates

blackens someone's name

shows in a bad light

drags down

drags someone's name through the mud

perverts

brands

brutalizes^US

brutalises^UK

disfavors^US

disfavours^UK

damages the reputation of

takes down a peg

writes false reports about

spreads tales about

drags name through mud

muddies the reputation of

casts in a bad light

blackens the reputation of

marks wrong

harms the reputation of

blackens the character of

offends

deprecates

lowers the status of

reduces the status of

bastardizes^US

bastardises^UK

puts someone in their place

causes to lose face

makes someone eat crow

takes down a peg or two

brings into disfavour

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Verb