94 entries under fail topic. ×

23
decline(verb, break, drop, reduce)
20
deteriorate(verb, drop, decline, reduce, destroy)
18
degenerate(verb, adjective, break, drop, decline)
13
sink(verb, break, drop, decline, reduce)
10
retrogress(verb, decline, reduce, diminish)
9
impair(verb, decline, reduce, destroy)
9
weaken(verb, break, drop, decline, reduce)
8
disintegrate(verb, break, drop, decline, reduce)
8
go downhill(verb, expression, idiom, drop, decline)
7
decay(verb, break, drop, decline, reduce)
7
regress(verb, decline, reduce, fall)
7
relapse(verb, drop, reduce, fall)
6
go to pot(verb, expression, idiom, drop, decline)
6
degrade(verb, decline, reduce, destroy)
6
descend(verb, break, drop, decline, reduce)
6
retrograde(verb, adjective, drop, decline, fall)
6
rot(verb, break, drop, decline, reduce)
5
debase(verb, decline, reduce, destroy)
5
fade(verb, drop, decline, fall)
5
lower(verb, drop, decline, reduce, destroy)
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APASmart Define. (2015). worsen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/worsen/thesaurus/synonyms
ChicagoSmart Define. 2015. "worsen thesaurus" https://smartdefine.org/worsen/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, worsen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/worsen/thesaurus/synonyms>.
MLASmart Define. "worsen thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/worsen/thesaurus/synonyms>