Synonyms|358Antonyms|152|Broader|4Narrower|11Related|449
2
blitheness(noun, happiness, nonchalance)
2
boredom(noun, indifference, lethargy, unconcern)
2
callousness(noun, disregard, interest, lack, apathy)
2
careless
2
deadness
2
disdain(noun, disregard, neglect, interest, lack)
2
dispassionateness(noun, incuriosity)
2
frigidity
2
indolence(noun, disregard, dullness, apathy, inactivity)
2
inexcitability
2
informality(noun, ease, peace, simplicity, freedom)
2
lack of interest(expression, idiom, incuriosity)
2
languidness(noun, disregard, indifference, lethargy)
2
languor(noun, disregard, dullness, apathy, inactivity)
2
lukewarmness(noun, indifference)
2
neglect(noun, disrespect, disdain, apathy, indifference)
2
oblivion(noun, neglect, disrespect, disdain, apathy)
2
stupefaction
2
stupor(noun, disregard, dullness, apathy, inactivity)
2
torpidness(noun, disregard, dullness, apathy, inactivity)
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MLASmart Define. "insouciance thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/insouciance/thesaurus/synonyms>