8
offhand
4
carelessly(adverb, nonchalantly)
4
casually
4
heedlessly(adverb, nonchalantly)
4
offhanded
3
indifferently(adverb, nonchalantly)
3
thoughtlessly(adverb, nonchalantly)
2
extemporaneously
2
extemporarily
2
extemporely
2
haphazardly
2
impromptuly
2
incidentally
2
offhandly
1
any old way(expression, idiom)
1
anyhow
1
brief
1
helter-skelter
1
impromptu
1
messily
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APASmart Define. (2015). offhandedly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/offhandedly/thesaurus/synonyms
ChicagoSmart Define. 2015. "offhandedly thesaurus" https://smartdefine.org/offhandedly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, offhandedly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/offhandedly/thesaurus/synonyms>.
MLASmart Define. "offhandedly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/offhandedly/thesaurus/synonyms>