2
impair
2
infect
2
profane(verb, defile, desecrate)
2
smear(noun, praise)
2
soil(noun, verb, hold, clean, dirty)
2
spoil(verb, help, fix, aid)
2
stain(noun, honor, clean)
2
water
2
weaken(verb, raise, rise, extend, fortify)
1
alloy(verb, separate, mix, adulterate)
1
besmirch
1
cloud
1
bastardize
1
befoul
1
begrime
1
blacken
1
blemish
1
blighted
1
canker(help, clean)
1
confuse
10 years ago|2.5k views|share |citing 
APASmart Define. (2016). purify thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/purify/thesaurus/antonyms
ChicagoSmart Define. 2016. "purify thesaurus" https://smartdefine.org/purify/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, purify thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/purify/thesaurus/antonyms>.
MLASmart Define. "purify thesaurus" 1 March 2016. Web. 23 September 2026. <https://smartdefine.org/purify/thesaurus/antonyms>