85 entries under decline topic. ×

1
ruination(ruin, fall, collapse, disgrace)
1
rust(ruin, collapse, failing, deterioration)
1
senescence(ruin, collapse, failing, deterioration)
1
spoilage(noun, ruin, collapse, failing)
1
spoilation(ruin, collapse, failing, deterioration)
1
wasting(noun, ruin, collapse, failing)
1
wasting away(expression, ruin, collapse, deterioration)
1
withering(ruin, collapse, failing, deterioration)
1
worsening(noun, drop, return, collapse)
0
degringolade(noun, drop, decay, degradation)
0
devaluation(noun, drop, decay, degradation)
0
dislocation(noun, drop, decay, degradation)
0
downcome(noun, deterioration, depreciation)
0
dwindling(deterioration, degeneration)
0
falloff(deterioration, degeneration)
0
lessening(noun, drop, decay, degradation)
0
pathos(noun, deterioration, depreciation)
0
recession(noun, drop, return, lapse)
0
relapse(noun, drop, return, collapse)
0
retreat
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APASmart Define. (2015). decadence thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/decadence/thesaurus/synonyms
ChicagoSmart Define. 2015. "decadence thesaurus" https://smartdefine.org/decadence/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, decadence thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/decadence/thesaurus/synonyms>.
MLASmart Define. "decadence thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/decadence/thesaurus/synonyms>