12
dilapidated(verb, adjective, mean, poor, feeble)
9
decayed(verb, adjective, mean, disease, poor)
8
declined(verb, adjective, aged, abandoned, unkempt)
8
dysfunctional(adjective, impaired)
7
shabby(adjective, mean, poor, shape, feeble)
6
debased(adjective, corrupt, degenerate, immoral, dissolute)
6
worsened
5
aggravated
5
decrepit(adjective, mean, disease, poor, bare)
5
degenerate(adjective, corrupt, immoral, deterioration, debased)
5
degenerated(verb, adjective, mean, poor, low)
5
impaired(verb, corrupt, stale, shabby, exhausted)
5
imperfect(deterioration, imperfection, inexpedience)
5
injured(deterioration, imperfection, inexpedience)
5
retrogressed(verb, adjective)
5
seedy(adjective, mean, poor, feeble, shabby)
4
aged(verb, preposition, feeble, different, dilapidated)
4
broken-down(adjective, mean, poor, feeble, shabby)
4
damaged(verb, shabby, tatty)
4
degraded(verb, corrupt, degenerate, immoral, tainted)
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APASmart Define. (2015). deteriorated thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deteriorated/thesaurus/synonyms
ChicagoSmart Define. 2015. "deteriorated thesaurus" https://smartdefine.org/deteriorated/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, deteriorated thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deteriorated/thesaurus/synonyms>.
MLASmart Define. "deteriorated thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/deteriorated/thesaurus/synonyms>