72 entries under decline topic. ×

1
impair(verb, weaken, degenerate, deteriorate)
1
injure(verb, weaken, degenerate, deteriorate)
1
languish(verb, drop, fall, fail)
1
lessen(verb, drop, reduce, fall)
1
lose it(verb, expression, phrasal verb, fail)
1
lose quality(verb, expression, fail, lower)
1
lose value(verb, expression, drop, fall)
1
lower(verb, drop, fall, fail)
1
mar(verb, weaken, degenerate, deteriorate)
1
pervert(verb, fail, lower, weaken)
1
recede(verb, drop, fall, fail)
1
revert(verb, drop, reduce, fall)
1
skid(verb, weaken, degenerate, deteriorate)
1
slide(verb, drop, fall, fail)
1
undermine(verb, weaken, degenerate, deteriorate)
1
vitiate(verb, reduce, weaken, degenerate)
1
wane(verb, drop, fall, fail)
1
weaken(verb, drop, fall, fail)
1
wear away(verb, expression, phrasal verb, fail)
0
breaking down(verb, expression, reoccur, unsay)
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APASmart Define. (2015). disimprove thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/disimprove/thesaurus/synonyms
ChicagoSmart Define. 2015. "disimprove thesaurus" https://smartdefine.org/disimprove/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, disimprove thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/disimprove/thesaurus/synonyms>.
MLASmart Define. "disimprove thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/disimprove/thesaurus/synonyms>