96 entries under decline topic. ×

2
break up(verb, expression, phrasal verb, reduce)
2
crumble(verb, hurt, fail, damage)
2
debilitate(verb, reduce, fail, halt)
2
decrease(verb, reduce, fail, halt)
2
mar(verb, hurt, damage, weaken)
2
undermine(verb, reduce, ruin, fail)
1
abate(verb, quiet, reduce, fail)
1
be worse for wear(weaken, degenerate, deteriorate, degrade)
1
become worse(expression, weaken, degenerate, degrade)
1
break(weaken, degenerate, deteriorate, degrade)
1
corrode(weaken, degenerate, deteriorate, decay)
1
cripple(verb, hurt, reduce, fail)
1
decay(hurt, weaken, dirty, corrupt)
1
decompose(hurt, dirty, corrupt, degenerate)
1
depress(verb, quiet, reduce, fail)
1
descend(weaken, degenerate, deteriorate, degrade)
1
devitalize(verb, quiet, reduce, fail)
1
disimprove(weaken, degenerate, deteriorate, degrade)
1
disintegrate(hurt, damage, dirty, corrupt)
1
droop(verb, reduce, fail, halt)
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APASmart Define. (2016). adulterate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/adulterate/thesaurus/synonyms
ChicagoSmart Define. 2016. "adulterate thesaurus" https://smartdefine.org/adulterate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, adulterate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adulterate/thesaurus/synonyms>.
MLASmart Define. "adulterate thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/adulterate/thesaurus/synonyms>