Synonyms|141Antonyms|36|Broader|2Narrower|9Related|29
2
languidness(noun, dullness, apathy, lethargy, negligence)
2
languorousness(noun, apathy, lethargy, negligence, languor)
2
lapse(noun, disregard, failure, negligence, inattention)
2
laziness(noun, dullness, apathy, inactivity, lethargy)
2
leadenness(noun, dullness, apathy, lethargy, negligence)
2
leisureliness(noun, apathy, lethargy, negligence, languor)
2
listlessness(noun, dullness, apathy, lethargy, negligence)
2
nonperformance
2
otioseness(noun, apathy, lethargy, negligence, languor)
2
otiosity(noun, apathy, lethargy, negligence, languor)
2
passivity(noun, apathy, lethargy, negligence, languor)
2
recklessness(noun, neglect, thoughtlessness)
2
sleepiness(noun, dullness, apathy, lethargy, negligence)
2
slight(noun, disregard, negligence, inattention, abandonment)
2
slothfulness(noun, dullness, apathy, lethargy, negligence)
2
slowness(noun, dullness, apathy, lethargy, negligence)
2
stolidity(noun, dullness, apathy, lethargy, negligence)
2
supineness(noun, apathy, lethargy, negligence, languor)
2
tardiness(noun, dullness, apathy, lethargy, negligence)
2
thoughtlessness(noun, disregard, neglect, carelessness, negligence)
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APASmart Define. (2015). neglectfulness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/neglectfulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "neglectfulness thesaurus" https://smartdefine.org/neglectfulness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, neglectfulness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/neglectfulness/thesaurus/synonyms>.
MLASmart Define. "neglectfulness thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/neglectfulness/thesaurus/synonyms>