Synonyms|574Antonyms|147|Broader|8Narrower|11Related|287

76 entries under weaken topic. ×

1
ebb(decline, degenerate, deteriorate, decay)
1
fade(verb, decline, reduce, fail, halt)
1
fail(verb, decline, halt, lower)
1
fall apart(expression, decline, degenerate, degrade)
1
flag(verb, decline, fail, lower)
1
go downhill(expression, decline, degenerate, degrade)
1
go to pieces(expression, idiom, decline, degenerate)
1
go to pot(expression, idiom, decline, degenerate)
1
go to the dogs(expression, idiom, decline, degenerate)
1
hit the skids(expression, idiom, decline, degenerate)
1
languish(verb, decline, fail, lower)
1
lapse(decline, degenerate, deteriorate, decay)
1
lessen(verb, quiet, decline, reduce, fail)
1
lose it(expression, decline, degenerate, degrade)
1
lose quality(expression, decline, degenerate, degrade)
1
lower(verb, decline, reduce, ruin, fail)
1
mitigate(verb, decline, reduce, fail, halt)
1
moderate(verb, decline, reduce, fail, halt)
1
qualify(reduce, diminish, thin, alter)
1
regress(decline, degenerate, deteriorate, degrade)
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APASmart Define. (2016). adulterate thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/adulterate/thesaurus/synonyms
ChicagoSmart Define. 2016. "adulterate thesaurus" https://smartdefine.org/adulterate/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, adulterate thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/adulterate/thesaurus/synonyms>.
MLASmart Define. "adulterate thesaurus" 29 February 2016. Web. 1 October 2026. <https://smartdefine.org/adulterate/thesaurus/synonyms>