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

141 entries under noun topic. ×

2
bagginess(looseness, limpness)
2
dormancy(dullness, apathy, lethargy, negligence)
2
downturn(drop, fall, slump)
2
dreaminess(dullness, apathy, lethargy, negligence)
2
drowsiness(dullness, apathy, lethargy, negligence)
2
dullness(apathy, inactivity, lethargy, negligence)
2
faineancy(dullness, apathy, lethargy, negligence)
2
flaccidity(softness, limpness)
2
heaviness(dullness, apathy, lethargy, negligence)
2
inertness(dullness, apathy, lethargy, negligence)
2
lackadaisicalness(apathy, lethargy, negligence, languor)
2
languidness(apathy, lethargy, negligence, languor)
2
languorousness(dullness, apathy, lethargy, negligence)
2
lapse(disregard, failure, negligence, inattention)
2
leadenness(dullness, apathy, lethargy, negligence)
2
leisureliness(dullness, apathy, lethargy, negligence)
2
listlessness(apathy, lethargy, negligence, languor)
2
otioseness(dullness, apathy, lethargy, negligence)
2
otiosity(dullness, apathy, lethargy, negligence)
2
passivity(dullness, apathy, lethargy, negligence)
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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>