5
soak
5
spoil(verb, break, help, decline, cause)
5
stick(verb, drop, set, force, cut)
5
torpedo(verb, upset, break, help, cut)
5
waste away(verb, expression, decline, fall, fail)
4
backslide(verb, drop, decline, reduce, settle)
4
bend(verb, drop, go, decline, open)
4
blight(verb, decline, weaken, lessen, bend)
4
bog(verb, destroy, obscure, kill, eliminate)
4
bring low(verb, expression, idiom, drop, reduce)
4
cast(verb, drop, drive, push, depression)
4
cloaca
4
damp(adjective, dejection)
4
deepen(verb, deepen)
4
demolish(verb, upset, break, help, beat)
4
den of iniquity(expression, idiom)
4
depression(noun, drop, decline, fall, dish)
4
destroy(verb, break, help, cut, remove)
4
detrude(verb, drop, reduce, press, depression)
4
die out(verb, expression, drop, go, decline)
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APASmart Define. (2016). sink thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sink/thesaurus/synonyms
ChicagoSmart Define. 2016. "sink thesaurus" https://smartdefine.org/sink/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sink thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sink/thesaurus/synonyms>.
MLASmart Define. "sink thesaurus" 21 March 2016. Web. 24 September 2026. <https://smartdefine.org/sink/thesaurus/synonyms>