85 entries under decline topic. ×

14
fading(noun, verb, adjective, deterioration)
12
declining(noun, verb, adjective, cut)
8
weakening(noun, adjective, drop, fall)
7
dwindling(noun, adjective, drop, cut)
7
failing(noun, verb, adjective, drop)
7
lessening(noun, adjective, drop, cut)
6
withering(verb, adjective, deterioration, degeneration)
5
diminishing(noun, adjective, cut, reduction)
5
dying(noun, verb, adjective, deterioration)
5
ebb(noun, drop, cut, fall)
5
worsening(noun, verb, adjective, drop)
4
decrease(noun, drop, cut, fall)
4
deterioration(noun, drop, fall, decrease)
3
blight(noun, deterioration, degeneration)
3
decay(noun, drop, fall, decrease)
3
wasting(noun, verb, adjective, deterioration)
2
crumbling(deterioration, stale, degeneration, fading)
2
decadence(noun, deterioration, degeneration)
2
degeneration(noun, drop, fall, decrease)
2
diminution(noun, drop, cut, fall)
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APASmart Define. (2015). waning thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/waning/thesaurus/synonyms
ChicagoSmart Define. 2015. "waning thesaurus" https://smartdefine.org/waning/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, waning thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/waning/thesaurus/synonyms>.
MLASmart Define. "waning thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/waning/thesaurus/synonyms>