267 entries under decline topic. ×

3
corrode(verb, reduce, fail, lower)
3
debilitate(verb, dull, reduce, fail)
3
disappear(verb, drop, end, fall)
3
disintegrate(verb, drop, reduce, fall)
3
dissolve(verb, reduce, fall, fail)
3
downsize(verb, cut, check, reduce)
3
droop(verb, drop, cut, reduce)
3
ease off(verb, expression, phrasal verb, calm, control)
3
ease up(verb, expression, phrasal verb, calm, order)
3
exhaust(verb, dull, quiet, end)
3
grow less(verb, expression, idiom, stop, drop)
3
impoverish(verb, cut, reduce, fail)
3
melt away(verb, expression, phrasal verb, quiet)
3
quell(verb, stop, calm, drop, order)
3
relent(verb, calm, control, quiet, help)
3
roll back(verb, expression, phrasal verb, take, cut)
3
sag(verb, drop, fall, fail)
3
sap(verb, dull, reduce, fail)
3
slack off(verb, expression, drop, quiet, cut)
3
soft-pedal(verb, calm, control, reduce)
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APASmart Define. (2016). lessen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lessen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lessen/thesaurus/synonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 25 September 2026. <https://smartdefine.org/lessen/thesaurus/synonyms>