177 entries under lower topic. ×

7
enervate(verb, stop, decline, hurt, reduce)
6
break(verb, cut, decline, hurt, reduce)
6
decrease(verb, cut, decline, reduce, fail)
6
deprave(verb, decline, hurt, reduce, ruin)
6
drain(verb, cut, decline, reduce, ruin)
6
invalidate(verb, stop, decline, hurt, reduce)
5
adulterate(verb, quiet, cut, decline, reduce)
5
cheapen(verb, cut, reduce, ruin, destroy)
5
degrade(verb, cut, decline, reduce, ruin)
5
depress(verb, dull, quiet, cut, decline)
5
pervert(noun, verb, decline, hurt, reduce)
4
corrode(verb, break, dull, decline, hurt)
4
depreciate(verb, cut, decline, reduce, ruin)
4
erode(verb, decline, hurt, reduce, ruin)
4
wear away(verb, expression, break, decline, hurt)
3
bust(noun, verb, reduce, ruin, destroy)
3
cut down(verb, expression, phrasal verb, cut, reduce)
3
debauch(verb, hurt, reduce, ruin, destroy)
3
decline(noun, verb, reduce, fail, ease)
3
dilute(verb, cut, decline, reduce, ruin)
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APASmart Define. (2015). impair thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impair/thesaurus/synonyms
ChicagoSmart Define. 2015. "impair thesaurus" https://smartdefine.org/impair/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impair thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impair/thesaurus/synonyms>.
MLASmart Define. "impair thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/impair/thesaurus/synonyms>