222 entries under idiom topic. ×

8
go downhill(verb, expression, stop, drop)
7
go to pot(verb, expression, drop, decline)
6
hit the skids(verb, expression, drop, strong)
5
cease to exist(expression, go, withdraw, leave)
5
come to grief(expression, failure, adversity)
5
hit rock bottom(expression, decline, weaken, lessen)
5
leave no trace(expression, go, withdraw, leave)
4
bring low(verb, expression, drop, reduce)
4
den of iniquity
4
get through to
4
go to pieces(expression, decline, degenerate, deteriorate)
4
lose heart(expression, idle, sulk, dejection)
4
plow back into(verb, expression, give, provide)
4
plumb the depths(expression, despair)
4
run aground(verb, expression, break, ruin)
3
be eaten away
3
cease to be
3
cheat the undertaker
3
dampen the spirits
3
do a fade-out
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APASmart Define. (2016). sink thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sink/thesaurus/synonyms
ChicagoSmart Define. 2016. "sink thesaurus" https://smartdefine.org/sink/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sink thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sink/thesaurus/synonyms>.
MLASmart Define. "sink thesaurus" 21 March 2016. Web. 25 September 2026. <https://smartdefine.org/sink/thesaurus/synonyms>