96 entries under decline topic. ×

1
languish(verb, fail, lower, weaken)
1
lapse(weaken, degenerate, deteriorate, decay)
1
lessen(verb, quiet, reduce, fail)
1
limp(verb, reduce, fail, halt)
1
lose(verb, reduce, fail, halt)
1
lose it(expression, weaken, degenerate, degrade)
1
lose quality(expression, weaken, degenerate, degrade)
1
lose spirit(verb, expression, reduce, fail)
1
lower(verb, reduce, ruin, fail)
1
minimize(verb, reduce, fail, halt)
1
mitigate(verb, reduce, fail, halt)
1
moderate(verb, reduce, fail, halt)
1
regress(weaken, degenerate, deteriorate, degrade)
1
relapse(verb, reduce, fail, halt)
1
relax(verb, reduce, fail, halt)
1
retrograde(weaken, degenerate, deteriorate, decay)
1
retrogress(weaken, degenerate, deteriorate, degrade)
1
rot(verb, hurt, weaken, dirty)
1
sap(verb, reduce, fail, halt)
1
sink(weaken, degenerate, deteriorate, decay)
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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>