130 entries under deterioration topic. ×

16
deficiency(noun, trouble, check, decline, disorder)
14
failure(noun, drop, decline, ruin, fall)
12
lapse(noun, break, drop, fall, wrong)
9
decay(noun, drop, decline, disorder, ruin)
9
decline(noun, drop, ruin, defeat, fall)
9
fading(noun, verb, adjective, decline, collapse)
8
dying(noun, verb, adjective, decline, collapse)
7
downfall(noun, drop, decline, ruin, defeat)
7
inadequacy(noun, trouble, decline, ruin, defeat)
6
abortion(noun, decline, ruin, defeat, neglect)
6
degeneration(noun, drop, decline, fall, collapse)
6
weakening(noun, adjective, drop, fall, failure)
5
miscarriage(noun, decline, ruin, defeat, neglect)
5
worsening(noun, adjective, drop, fall, failure)
4
crumbling(adjective, decline, ruin, collapse)
4
decadence(noun, decline, ruin, collapse)
4
dwindling(noun, adjective, drop, decline, fall)
4
relapse(noun, drop, fall, failure)
4
waning(noun, verb, adjective, drop, decline)
4
wasting(noun, decline, ruin, collapse)
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APASmart Define. (2015). failing thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/failing/thesaurus/synonyms
ChicagoSmart Define. 2015. "failing thesaurus" https://smartdefine.org/failing/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, failing thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/failing/thesaurus/synonyms>.
MLASmart Define. "failing thesaurus" 23 December 2015. Web. 25 September 2026. <https://smartdefine.org/failing/thesaurus/synonyms>