73 entries under decline topic. ×

6
decay(noun, drop, ruin, collapse)
6
decaying(noun, verb, adjective, drop)
4
deterioration(noun, drop, collapse, extinction)
4
failing(verb, ruin, collapse, deterioration)
4
rotting(noun, verb, adjective, drop)
4
ruin(noun, verb, drop, collapse)
3
degradation(noun, decay, degeneration, weakening)
3
disintegration(noun, drop, collapse, division)
3
dissolution(noun, collapse, division, wreck)
3
fading(noun, verb, ruin, collapse)
2
blight(collapse, deterioration, impairment, degeneration)
2
collapse(noun, division, extinction, destruction)
2
corrosion(noun, drop, collapse, deterioration)
2
decomposition(noun, drop, collapse, deterioration)
2
dilapidation(noun, drop, collapse, extinction)
2
dwindling(deterioration, degeneration, deteriorating, dropping)
2
dying(verb, ruin, collapse, failing)
2
lessening(noun, adjective, drop, decay)
2
mortification(ruin, collapse, failing, deterioration)
2
spoiling(noun, verb, adjective, drop)
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APASmart Define. (2015). crumbling thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crumbling/thesaurus/synonyms
ChicagoSmart Define. 2015. "crumbling thesaurus" https://smartdefine.org/crumbling/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, crumbling thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crumbling/thesaurus/synonyms>.
MLASmart Define. "crumbling thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/crumbling/thesaurus/synonyms>