2
marred(shabby, worn, dingy, seedy, damaged)
2
mashing
2
mortification(decline, ruin, collapse, failing, deterioration)
2
mortifying(verb, disintegrating)
2
moss-grown
2
neglected(adjective, shabby, worn, dingy, dilapidated)
2
noisome
2
obsolete(last, original, previous, other, outdated)
2
of old(expression, last, original, venerable, outdated)
2
of yore(expression, last, original, venerable, outdated)
2
old-fashioned(last, original, past, venerable, outdated)
2
oldfangled(last, original, past, venerable, outdated)
2
putrefying(verb, adjective, disintegrating)
2
slumping(noun, stale, fading)
2
spoiling(noun, verb, adjective, drop, decline)
2
time-worn(last, original, deterioration, past, traditional)
2
unsteady(adjective, danger)
2
unsubstantial
2
waning(noun, decline, deterioration, stale, degeneration)
2
wasting(decline, ruin, collapse, failing, deterioration)
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APASmart Define. (2015). crumbling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/crumbling/thesaurus/synonyms
ChicagoSmart Define. 2015. "crumbling thesaurus" https://smartdefine.org/crumbling/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, crumbling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/crumbling/thesaurus/synonyms>.
MLASmart Define. "crumbling thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/crumbling/thesaurus/synonyms>