Synonyms|218Antonyms|65|Broader|0Narrower|0Related|105
11
declining(verb, adjective, backward, weakening, lessening)
8
worsening(verb, adjective, backward, weakening, lessening)
6
fading(verb, adjective, weakening, lessening, worsening)
6
decaying(verb, adjective)
6
degenerating(verb, adjective)
5
withering(verb, adjective)
4
failing(verb, adjective, weakening, lessening, worsening)
4
retrograde(adjective, reverting)
4
sinking(verb, lessening, dropping, dwindling)
4
waning(verb, adjective, weakening, lessening, worsening)
3
aging(verb, adjective, aging)
3
crumbling
3
regressing
3
regressive
3
relapsing(verb, adjective)
3
retrogressive
3
reverting(verb, adjective)
3
sliding
3
slipping
3
subsiding
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APASmart Define. (2015). deteriorating thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deteriorating/thesaurus/synonyms
ChicagoSmart Define. 2015. "deteriorating thesaurus" https://smartdefine.org/deteriorating/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, deteriorating thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deteriorating/thesaurus/synonyms>.
MLASmart Define. "deteriorating thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/deteriorating/thesaurus/synonyms>