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

144 entries under deteriorate topic. ×

2
go to the dogs(verb, expression, idiom, drop, decline)
2
halt(verb, stop, decline, reduce, restrain)
2
hit rock bottom(expression, idiom, decline, weaken, degenerate)
2
hit the skids(verb, expression, idiom, drop, decline)
2
injure(verb, dull, quiet, decline, reduce)
2
lapse(verb, drop, decline, reduce, settle)
2
mildew(verb, decline, weaken, degenerate)
2
mold(verb, decline, weaken, degenerate)
2
molder(verb, decline, weaken, degenerate)
2
mortify(verb, decline, weaken, degenerate)
2
pejorate(verb, decline, weaken, degenerate)
2
perish(verb, decline, fall, fail, diminish)
2
pollute(verb, decline, weaken, degenerate)
2
putrefy(verb, decline, weaken, degenerate)
2
putresce(verb, decline, weaken, degenerate)
2
reach depths(expression, decline, weaken, degenerate)
2
regress(verb, drop, close, decline, reduce)
2
relapse(verb, drop, decline, reduce, settle)
2
retrograde(verb, drop, close, decline, reduce)
2
retrogress(verb, drop, close, decline, reduce)
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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>