10
declining(noun, verb, adjective, inferior, depressed)
8
slipping(verb, adjective, inferior, depressed, declining)
7
sliding(verb, adjective, inferior, depressed, declining)
7
waning(noun, verb, adjective, declining, shrinking)
6
fading(verb, stale, weakening, deteriorating, wearying)
6
falling(verb, adjective, inferior, depressed, declining)
6
sinking(verb, adjective, inferior, depressed, declining)
5
collapsing(verb, deteriorating)
5
dropping(verb, adjective, inferior, depressed, declining)
5
flagging(adjective, languid, weakening, fading, wearying)
5
plummeting(verb, adjective, declining, shrinking, lowering)
4
drooping(adjective, weakening, fading, wearying, flagging)
4
ebbing(verb, adjective, declining, shrinking, fading)
4
plunging(verb, adjective, declining, shrinking, lowering)
4
worsening(verb, adjective, deteriorating)
3
descending(verb, adjective, inferior, depressed, declining)
3
deteriorating(verb, adjective, deteriorating)
3
sagging(adjective, inferior, depressed, declining, shrinking)
3
subsiding(verb, adjective, declining, shrinking, lowering)
3
tumbling(verb, descending)
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APASmart Define. (2015). slumping thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/slumping/thesaurus/synonyms
ChicagoSmart Define. 2015. "slumping thesaurus" https://smartdefine.org/slumping/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, slumping thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/slumping/thesaurus/synonyms>.
MLASmart Define. "slumping thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/slumping/thesaurus/synonyms>