215 entries under lessen topic. ×

4
dull(verb, stop, reduce, release, fall)
4
fade(verb, stop, drop, cut, decline)
4
fail(verb, stop, go, decline, open)
4
modify(verb, calm, drop, control, cut)
4
pacify(verb, calm, control, order, quiet)
4
palliate(verb, calm, quiet, help, reduce)
4
peter out(verb, expression, stop, drop, end)
4
quell(verb, stop, calm, drop, order)
4
quiet(verb, adjective, calm, drop, control)
4
set back(verb, expression, phrasal verb, check, reduce)
4
still(verb, calm, order, quiet, help)
4
taper(verb, stop, drop, dull, decline)
4
tone down(verb, expression, control, reduce, restrain)
4
unlax(verb, stop, calm, dull, fall)
3
curtail(verb, drop, cut, decline, reduce)
3
degenerate(verb, stop, drop, cut, decline)
3
detain(verb, hold, check, keep, reduce)
3
lower(verb, calm, drop, cut, decline)
3
restrict(hold, keep, reduce, restrain, block)
3
shelve(verb, hold, keep, reduce, block)
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APASmart Define. (2015). slacken thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/slacken/thesaurus/synonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/slacken/thesaurus/synonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/slacken/thesaurus/synonyms>