Synonyms|251Antonyms|122|Broader|7Narrower|2Related|39

141 entries under noun topic. ×

2
sleepiness(dullness, apathy, lethargy, negligence)
2
slump(drop, fall)
2
softness
2
stolidity(dullness, apathy, lethargy, negligence)
2
supineness(apathy, lethargy, negligence, languor)
2
toleration
2
torpescence(dullness, apathy, lethargy, negligence)
2
torpidness(dullness, apathy, lethargy, negligence)
2
unrestraint(disorder, abandon, extravagance, excess)
2
weariness(dullness, apathy, lethargy, negligence)
1
animalism(disorder, abandon, extravagance, excess)
1
apathy(dullness, lethargy, negligence, languor)
1
arrogance(disorder, abandon, extravagance, excess)
1
audacity(disorder, abandon, extravagance, excess)
1
be active(dullness, apathy, lethargy, negligence)
1
boldness(disorder, abandon, extravagance, excess)
1
complacency(disorder, abandon, extravagance, excess)
1
debauchery(disorder, abandon, extravagance, excess)
1
decline(drop, fall, slump)
1
depression(drop, fall, slump)
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APASmart Define. (2015). slackness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slackness/thesaurus/synonyms
ChicagoSmart Define. 2015. "slackness thesaurus" https://smartdefine.org/slackness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, slackness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slackness/thesaurus/synonyms>.
MLASmart Define. "slackness thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/slackness/thesaurus/synonyms>