6
slide down(verb, expression, phrasal verb, settle, slip)
6
submerse(verb, drop, place, decline, drive)
6
sump(noun, uncleanness)
6
take down(verb, expression, phrasal verb, upset, drop)
6
undo(verb, help, cut, remove, cause)
5
atrophy(verb, decline, diminish, blow, decrease)
5
cease to exist(expression, idiom, go, withdraw, leave)
5
clear(verb, upset, go, decline, defeat)
5
come to grief(expression, idiom, failure, adversity)
5
contract(verb, drop, get, go, cut)
5
couch(verb, drop, set, decline, drive)
5
dash(verb, break, drop, beat, drive)
5
depreciate(verb, drop, cut, decline, reduce)
5
despair(pain, idle, sulk, languish, pine)
5
despond(sulk, dejection, languish, pine, brood)
5
dispirit(verb, worry, fail, strain, annoy)
5
dissipate(verb, go, give, withdraw, leave)
5
duck(verb, drop, decline, drive, release)
5
dunk(verb, immerse)
5
excavate(verb, drop, set, decline, drive)
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APASmart Define. (2016). sink thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sink/thesaurus/synonyms
ChicagoSmart Define. 2016. "sink thesaurus" https://smartdefine.org/sink/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sink thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sink/thesaurus/synonyms>.
MLASmart Define. "sink thesaurus" 21 March 2016. Web. 23 September 2026. <https://smartdefine.org/sink/thesaurus/synonyms>