55 entries under decline topic. ×

14
fading(verb, adjective, last, failing)
9
falling(noun, verb, adjective, drop)
8
plunging(noun, verb, adjective, drop)
7
depression(noun, drop, fall, depression)
7
dip(noun, drop, fall, slump)
7
plummeting(noun, verb, adjective, drop)
6
fall(noun, verb, drop, plunge)
5
ebb(noun, drop, decrease, retreat)
5
sag(noun, drop, fall, slump)
5
abatement(noun, drop, decrease, retreat)
5
drop(noun, verb, fall, decrease)
4
sinkage(noun, drop, fall, plunge)
3
sink(noun, drop, fall, slump)
3
slump(noun, drop, fall, recession)
2
basin(noun, drop, fall, slump)
2
concavity(drop, fall, slump)
2
declension(noun, drop, fall, plunge)
2
deterioration(noun, drop, decrease, retreat)
2
slack
1
cave-in(noun, drop, fall, plunge)
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APASmart Define. (2015). sinking thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sinking/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinking thesaurus" https://smartdefine.org/sinking/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, sinking thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sinking/thesaurus/synonyms>.
MLASmart Define. "sinking thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/sinking/thesaurus/synonyms>