4
fall away(verb, expression, phrasal verb, drop, decline)
4
modulate(verb, calm, control, order, quiet)
4
plummet(verb, drop, decline, settle, fall)
4
qualify(verb, control, cover, reduce, release)
4
restrict(verb, stop, control, check, reduce)
4
settle(verb, calm, drop, order, quiet)
4
slash(verb, drop, cut, check, decline)
4
trim(verb, cut, reduce, restrain, halt)
4
trivialize
4
undermine(verb, dull, decline, reduce, fail)
4
underplay(verb, reduce, diminish, lower, decrease)
4
undervalue(verb, cut, check, reduce, diminish)
4
vitiate(verb, decline, reduce, destroy, fail)
4
weed(verb, diminish, subtract)
4
wind down(verb, expression, phrasal verb, close, cut)
3
wear(decrease, nonincrease)
3
abrade(verb, detract)
3
ameliorate(verb, calm, quiet, help, reduce)
3
anesthetize(calm, dull, quiet, help, reduce)
3
atrophy(noun, verb, decline, reduce, diminish)
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APASmart Define. (2016). lessen thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lessen/thesaurus/synonyms
ChicagoSmart Define. 2016. "lessen thesaurus" https://smartdefine.org/lessen/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lessen thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lessen/thesaurus/synonyms>.
MLASmart Define. "lessen thesaurus" 31 January 2016. Web. 22 September 2026. <https://smartdefine.org/lessen/thesaurus/synonyms>