13
indifferently(adverb, recklessly, indifferently, insensitively)
10
coolly(adverb, insensitively, unexcitably)
10
calmly(adverb, unexcitably)
9
casually(adverb, leisurely, carelessly, calmly, thoughtlessly)
9
carelessly(adverb, recklessly)
7
dispassionately(adverb, indifferently, insensitively, unexcitably)
7
apathetically(adverb, indifferently, insensitively, unexcitably)
6
unconcernedly(adverb, indifferently, insensitively)
4
heedlessly(adverb, recklessly)
4
impassively(adverb, unexcitably)
4
recklessly(adverb, recklessly)
2
negligently(adverb, recklessly)
2
disinterestedly(adverb, indifferently)
2
stoically(adverb, unexcitably)
2
nervelessly
2
numbly(adverb, insensitively, unexcitably)
2
passively(adverb, indifferently, insensitively)
2
reservedly(adverb, unexcitably)
2
serenely(adverb, unexcitably)
2
tranquilly(adverb, unexcitably)
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APASmart Define. (2015). nonchalantly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonchalantly/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalantly thesaurus" https://smartdefine.org/nonchalantly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonchalantly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonchalantly/thesaurus/synonyms>.
MLASmart Define. "nonchalantly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonchalantly/thesaurus/synonyms>