210 entries under casual topic. ×

1
flip(rude, fresh, impolite, abrupt)
1
free spirited(expression, adjective, simple, natural)
1
from the hip(expression, adjective, idiom, simple, natural)
1
hit-or-miss(careless, spontaneous, arbitrary, unplanned)
1
impassive(adjective, calm, cool, relaxed, restrained)
1
imperceptive(adjective, random, haphazard, unfussy)
1
imperturbable(adjective, calm, cool, relaxed)
1
improvisatory(free, informal, impulsive, unprepared)
1
imprudent(thoughtless, impetuous, happy-go-lucky, unfussy)
1
incautious(candid, spontaneous, happy-go-lucky, slapdash)
1
incidental(careless, chance, passing, arbitrary)
1
incurious(adjective, calm, cool, careless, relaxed)
1
indiscriminate(careless, chance, uninformed, arbitrary)
1
indolent(mild, relaxed, tolerant, permissive)
1
inevitable(adjective, simple, natural, impulsive)
1
injudicious(chance, uninformed, random, happy-go-lucky)
1
irresistible(adjective, simple, natural, impulsive)
1
irresponsible(chance, thoughtless, uninformed, impetuous)
1
jamming(free, informal, impulsive, unprepared)
1
laid back(expression, adjective, calm, cool, relaxed)
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APASmart Define. (2016). offhand thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/offhand/thesaurus/synonyms
ChicagoSmart Define. 2016. "offhand thesaurus" https://smartdefine.org/offhand/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, offhand thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/offhand/thesaurus/synonyms>.
MLASmart Define. "offhand thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/offhand/thesaurus/synonyms>