Synonyms|340Antonyms|125|Broader|10Narrower|7Related|201
1
irksomeness(noun, melancholy, dullness, apathy, indifference)
1
lack of interest(noun, expression, idiom, melancholy, dullness)
1
lackadaisicalness
1
lameness(noun, weakness, delicacy, inadequacy, shakiness)
1
languorousness
1
lenitude
1
lentor
1
mental fatigue
1
mental strain
1
monotony(noun, melancholy, dullness, apathy, indifference)
1
motionlessness(noun, stillness, immovability)
1
narcosis(lethargy, daze, slumber, coma, torpor)
1
neglect(noun, disrespect, disdain, apathy, indifference)
1
neglecting(noun, neglect, disrespect, disdain, apathy)
1
negligence(noun, neglect, disrespect, disdain, apathy)
1
numbness(noun, apathy, lethargy, daze, slumber)
1
oblivion(noun, neglect, disrespect, disdain, apathy)
1
omission(noun, neglect, disrespect, disdain, apathy)
1
omitting(noun, neglect, disrespect, disdain, apathy)
1
otiosity(noun, depression, inactivity, laziness, inertia)
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APASmart Define. (2016). lassitude thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lassitude/thesaurus/synonyms
ChicagoSmart Define. 2016. "lassitude thesaurus" https://smartdefine.org/lassitude/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, lassitude thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lassitude/thesaurus/synonyms>.
MLASmart Define. "lassitude thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/lassitude/thesaurus/synonyms>