14
decline(noun, drop, fall, evil, collapse)
13
declination(noun, drop, decline, fall, collapse)
13
descent(noun, drop, end, decline, ruin)
12
fall(noun, verb, drop, end, decline)
11
deterioration(noun, drop, end, decline, ruin)
8
decadence(noun, drop, end, decline, ruin)
8
declivity(noun, drop, fall, plunge, slide)
8
downfall(noun, drop, end, decline, ruin)
7
degeneration(noun, drop, end, decline, ruin)
7
worsening(noun, drop, decline, collapse, deterioration)
6
decay(noun, drop, decline, fall, evil)
6
lapse(noun, drop, decline, deterioration, decay)
5
collapse
5
degeneracy(noun, end, ruin, fall, evil)
5
degradation(noun, decline, fall, evil, decay)
5
downgrade(noun, drop, decline, fall, evil)
5
downslope
5
falling(drop, decline, fall, plunge, descent)
5
inflection(noun, grammar)
5
refusal(noun, responsibility, rebuff, snub, rejection)
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APASmart Define. (2016). declension thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/declension/thesaurus/synonyms
ChicagoSmart Define. 2016. "declension thesaurus" https://smartdefine.org/declension/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, declension thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/declension/thesaurus/synonyms>.
MLASmart Define. "declension thesaurus" 22 January 2016. Web. 20 September 2026. <https://smartdefine.org/declension/thesaurus/synonyms>