298 entries under adjective topic. ×

6
insouciant(calm, cool, mild, relaxed)
6
reckless(noun, careless, casual, thoughtless)
6
relaxed(calm, cool, mild, cheerful)
6
slapdash(careless, indifferent, casual, unconcerned)
6
superficial(rude, unreasonable, casual, unthinking)
5
distant(cool, indifferent, restrained, unfriendly)
5
heedless(careless, indifferent, casual, thoughtless)
5
hurried
5
natural(calm, simple, easy, casual)
5
thoughtless(careless, indifferent, casual, sloppy)
5
unceremonious(rude, careless, indifferent, casual)
4
ad libitum(expression, idiom, adverb, improv)
4
apathetic(calm, cool, relaxed, indifferent)
4
automatic(free, simple, fake, natural)
4
easy(calm, cool, relaxed, cheerful)
4
inattentive(careless, indifferent, unqualified, unthinking)
4
lackadaisical(calm, cool, relaxed, detached)
4
negligent(calm, cool, careless, relaxed)
4
rash(noun, thoughtless, impetuous, unwary)
4
regardless(careless, indifferent, casual, thoughtless)
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APASmart Define. (2016). offhand thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/offhand/thesaurus/synonyms
ChicagoSmart Define. 2016. "offhand thesaurus" https://smartdefine.org/offhand/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, offhand thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/offhand/thesaurus/synonyms>.
MLASmart Define. "offhand thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/offhand/thesaurus/synonyms>