Synonyms and Antonyms for weaken
1. weaken (v.)
lessen the strength of
- dilute
- neutralize
- stultify
- debilitate
- reduce
- unbrace
- devitalize
- enfeeble
- shake
- negate
- enervate
- depress
- cut
- rarefy
- cripple
- wash out
- change
- mollify
- blunt
- alter
- castrate
- thin out
- season
- modify
- break
- etiolate
- devitalise
- de-energize
- de-energise
- emasculate
- nullify
- drain
- dampen
- attenuate
- thin
- neutralise
- temper
