Synonyms|1.4kAntonyms|486|Broader|22Narrower|81Related|879

144 entries under deteriorate topic. ×

5
fail(verb, drop, end, decline, fall)
5
languish(verb, drop, quiet, decline, fall)
5
slump(verb, drop, cut, decline, reduce)
5
waste away(verb, expression, end, decline, reduce)
4
collapse(verb, drop, decline, reduce, settle)
4
corrupt(verb, adjective, decline, reduce, destroy)
4
debase(verb, quiet, cut, decline, reduce)
4
settle(verb, calm, drop, order, quiet)
4
undermine(verb, dull, decline, reduce, fail)
4
vitiate(verb, decline, reduce, destroy, fail)
3
atrophy(noun, verb, decline, reduce, diminish)
3
break(verb, cut, decline, reduce, release)
3
cheapen(verb, drop, cut, reduce, destroy)
3
corrode(verb, decline, reduce, fail, lower)
3
debilitate(verb, dull, decline, reduce, fail)
3
disintegrate(verb, drop, decline, reduce, fall)
3
dissolve(verb, decline, reduce, fall, fail)
3
droop(verb, drop, cut, decline, reduce)
3
ease up(verb, expression, phrasal verb, calm, order)
3
exhaust(verb, dull, quiet, end, decline)
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ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lessen/thesaurus/synonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 26 September 2026. <https://smartdefine.org/lessen/thesaurus/synonyms>