150 entries under soften topic. ×

10
dull(verb, stop, quiet, check, reduce)
8
blunt(verb, calm, dull, quiet, check)
8
cool(verb, stop, calm, control, order)
8
depress(verb, dull, quiet, cut, decline)
8
dilute(verb, calm, cut, decline, reduce)
8
quiet(verb, calm, drop, control, order)
8
relax(verb, calm, order, quiet, help)
7
appease(verb, calm, control, order, dull)
7
impair(verb, dull, quiet, cut, decline)
7
remit(verb, calm, dull, check, reduce)
7
restrain(verb, stop, calm, drop, control)
7
tone down(verb, expression, phrasal verb, calm, control)
6
calm(verb, control, order, dull, quiet)
6
check(verb, stop, calm, drop, control)
6
cushion(verb, calm, dull, quiet, reduce)
6
dampen(verb, dull, quiet, diminish, impair)
6
deaden(verb, control, dull, quiet, restrain)
6
retard(verb, dull, quiet, check, reduce)
6
slow(verb, stop, calm, control, dull)
6
suppress(verb, calm, order, dull, quiet)
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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>