135 entries under lessen topic. ×

4
tail off(verb, expression, phrasal verb, drop, cut)
3
allay(verb, stop, calm, control, order)
3
check(verb, calm, drop, control, order)
3
contract(verb, drop, cut, decline, reduce)
3
crumble(verb, stop, drop, cut, decline)
3
curb(verb, drop, control, quiet, cut)
3
curtail(verb, drop, cut, decline, reduce)
3
die out(verb, expression, phrasal verb, decline, ease)
3
drop off(expression, drop, cut, decline, reduce)
3
dull(verb, stop, fall, diminish, decrease)
3
falter(verb, check, delay, hinder)
3
languish(verb, diminish, decrease, retreat)
3
lower(verb, calm, drop, cut, decline)
3
lull(noun, verb, calm, order, quiet)
3
melt(verb, ease, diminish, decrease)
3
recede(verb, stop, dull, end, pass)
3
slump(verb, drop, quiet, cut, decline)
3
unlax(verb, stop, calm, dull, fall)
3
waste(verb, drop, quiet, cut, decline)
3
waste away(verb, expression, decline, diminish, decrease)
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APASmart Define. (2016). let up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/let_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "let up thesaurus" https://smartdefine.org/let_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, let up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/let_up/thesaurus/synonyms>.
MLASmart Define. "let up thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/let_up/thesaurus/synonyms>