3
deaden
3
degenerate(verb, stop, drop, cut, decline)
3
detach(verb, separate, remove, release, free)
3
detain(verb, hold, check, keep, reduce)
3
hold up(verb, delay, moderate, decrease, hinder)
3
hush(verb, calm, quiet, cool, fall)
3
impede(verb, hold, check, reduce, restrain)
3
let down(verb, expression, stop, delay, rest)
3
lower(verb, calm, drop, cut, decline)
3
rebate(noun, quiet, decrease, fade, dwindle)
3
remand(verb, hold, keep, block, stay)
3
repose(noun, verb, stop, calm, delay)
3
restrict(hold, keep, reduce, restrain, block)
3
shelve(verb, hold, keep, reduce, block)
3
shrink(verb, drop, go, cut, decline)
3
slackening
3
sober(adjective, moderation)
3
tranquilize(verb, calm, order, quiet, help)
3
unleash(verb, separate, remove, release, free)
3
unloose(verb, separate, remove, release, free)
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APASmart Define. (2015). slacken thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/slacken/thesaurus/synonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/slacken/thesaurus/synonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/slacken/thesaurus/synonyms>