85 entries under decline topic. ×

1
vitiate(verb, reduce, destroy, fail)
1
waste away(verb, expression, weaken, stain)
1
wear away(expression, weaken, degenerate, deteriorate)
0
defile(verb, weaken, impair, deteriorate)
0
retreat(verb, reoccur, unsay, unsaying)
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APASmart Define. (2015). worsen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/worsen/thesaurus/synonyms
ChicagoSmart Define. 2015. "worsen thesaurus" https://smartdefine.org/worsen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, worsen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/worsen/thesaurus/synonyms>.
MLASmart Define. "worsen thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/worsen/thesaurus/synonyms>