120 entries under noun topic. ×

1
cropper(drop, fall, decrease, failure)
1
decomposition(decline, deterioration, degeneration)
1
decrepitude(drop, decline, fall, failure)
1
degeneracy(drop, decline, fall, failure)
1
degradation
1
depreciation(drop, decline, decrease, retreat)
1
devolution(drop, fall, decrease, failure)
1
discount(cut, decline, reduction, lessening)
1
dissolution(drop, decline, fall, failure)
1
downturn(drop, cut, decline, fall)
1
drop(cut, fall, decrease, retreat)
1
enfeeblement(drop, fall, failure, deterioration)
1
fading away(expression, adjective, drop, decrease)
1
going out(expression, drop, decrease, retreat)
1
greening
1
lapse(drop, decline, fall, failure)
1
loss(drop, cut, decline, fall)
1
low tide(expression, drop, decrease, retreat)
1
low water(expression, drop, decrease, retreat)
1
lowering(verb, adjective, drop, fall)
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APASmart Define. (2015). waning thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/waning/thesaurus/synonyms
ChicagoSmart Define. 2015. "waning thesaurus" https://smartdefine.org/waning/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, waning thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/waning/thesaurus/synonyms>.
MLASmart Define. "waning thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/waning/thesaurus/synonyms>