weaken

Definitions of weaken
1

v lessen the strength of

“The fever weakened his body”
Antonyms:
beef up, fortify, strengthen
make strong or stronger
Types:
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hide 21 types...
de-energise, de-energize
deprive of energy
break
weaken or destroy in spirit or body
devitalise, devitalize
sap of life or energy
shake
undermine or cause to waver
depress
lessen the activity or force of
unbrace
remove a brace or braces from
etiolate
make weak by stunting the growth or development of
cripple, stultify
deprive of strength or efficiency; make useless or worthless
cut, dilute, reduce, thin, thin out
lessen the strength or flavor of a solution or mixture
attenuate, rarefy
weaken the consistency of (a chemical substance)
blunt
make less intense
mollify, season, temper
make more temperate, acceptable, or suitable by adding something else; moderate
debilitate, drain, enfeeble
make weak
enervate
weaken mentally or morally
dampen
reduce the amplitude (of oscillations or waves)
negate, neutralise, neutralize, nullify
make ineffective by counterbalancing the effect of
castrate, emasculate
deprive of strength or vigor
wash out
deplete of strength or vitality
eviscerate
take away a vital or essential part of
emaciate, macerate, waste
cause to grow thin or weak
water down
make less strong or intense
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v reduce the level or intensity or size or scope of

Synonyms:
de-escalate, step down
Antonyms:
escalate, intensify, step up
increase in extent or intensity
Type of:
decrease, lessen, minify
make smaller

v lessen in force or effect

Synonyms:
break, damp, dampen, soften
Types:
deafen
make soundproof
damp, dampen, deaden
make vague or obscure or make (an image) less visible
Type of:
blunt, deaden
make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation

v become weaker

“The prisoner's resistance weakened after seven days”
Antonyms:
strengthen
gain strength
Types:
show 17 types...
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attenuate
become weaker, in strength, value, or magnitude
disappear, evaporate, melt
become less intense and fade away gradually
die down
become progressively weaker
collapse
lose significance, effectiveness, or value
fade, melt
become less clearly visible or distinguishable; disappear gradually or seemingly
lessen, subside
wear off or die down
blur, dim, slur
become vague or indistinct
languish, pine away, waste
lose vigor, health, or flesh, as through grief
dull
make less lively or vigorous
pall
lose strength or effectiveness; become or appear boring, insipid, or tiresome (to)
loose, loosen, relax
become loose or looser or less tight
slacken
become looser or slack
slack, slacken, slow, slow down, slow up
become slow or slower
wilt
lose strength
efface, obliterate
remove completely from recognition or memory
cloud
make milky or dull
refine
attenuate or reduce in vigor, strength, or validity by polishing or purifying
Type of:
decrease, diminish, fall, lessen
decrease in size, extent, or range

v destroy property or hinder normal operations

Synonyms:
counteract, countermine, sabotage, subvert, undermine
Types:
derail
cause to run off the tracks
Type of:
disobey
refuse to go along with; refuse to follow; be disobedient

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