85 entries under decline topic. ×

2
fall(noun, verb, drop, cut)
2
falling off(noun, verb, expression, phrasal verb, drop)
2
regression(noun, drop, fall, deterioration)
2
retrogression(noun, deterioration)
2
reversion(noun, deterioration)
2
subsidence(noun, drop, cut, decrease)
1
abatement(noun, drop, cut, fall)
1
backsliding(noun, drop, fall, failure)
1
decomposition(noun, deterioration, degeneration)
1
decrepitude(noun, drop, fall, failure)
1
degeneracy(noun, drop, fall, failure)
1
depreciation(noun, drop, decrease, retreat)
1
discount(noun, cut, reduction, lessening)
1
dissolution(noun, drop, fall, failure)
1
downturn(noun, drop, cut, fall)
1
lapse(noun, drop, fall, failure)
1
loss(noun, drop, cut, fall)
1
relapse(noun, drop, fall, decrease)
1
rot(noun, deterioration, degeneration)
1
rust(noun, deterioration, degeneration)
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APASmart Define. (2015). waning thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/waning/thesaurus/synonyms
ChicagoSmart Define. 2015. "waning thesaurus" https://smartdefine.org/waning/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, waning thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/waning/thesaurus/synonyms>.
MLASmart Define. "waning thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/waning/thesaurus/synonyms>