109 entries under decline topic. ×

1
fail(verb, fall, diminish, decrease)
1
fall short(verb, expression, reduce, diminish)
1
flag(verb, quiet, release, fall)
1
fold(verb, quiet, fall, fail)
1
grow less(verb, expression, drop, fall)
1
hush(verb, quiet, fall, fail)
1
languish(verb, quiet, fall, fail)
1
melt(verb, fall, fail, diminish)
1
melt away(verb, expression, phrasal verb, quiet)
1
perish(verb, fall, fail, diminish)
1
pine(verb, drop, fall, diminish)
1
poop out(verb, expression, phrasal verb, quiet)
1
rarefy(verb, quiet, fall, fail)
1
rebate(verb, drop, quiet, check)
1
relent(verb, reduce, diminish, decrease)
1
tail away(verb, expression, phrasal verb, drop, quiet)
1
taper(verb, drop, quiet, reduce)
1
thin(verb, quiet, fall, fail)
1
tire(verb, quiet, release, fall)
1
tucker out(verb, expression, phrasal verb, quiet)
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APASmart Define. (2015). slack off thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slack_off/thesaurus/synonyms
ChicagoSmart Define. 2015. "slack off thesaurus" https://smartdefine.org/slack_off/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, slack off thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slack_off/thesaurus/synonyms>.
MLASmart Define. "slack off thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/slack_off/thesaurus/synonyms>