2
by ear(expression, adverb, free, casual, unrehearsed)
2
by the by(expression, idiom)
2
by the way(expression, idiom)
2
carelessly
2
cursorily
2
dismissive(adjective, casual, frivolous, glib)
2
dispassionate(adjective, calm, cool, relaxed, casual)
2
disregardful(adjective, careless, indifferent, casual, thoughtless)
2
easy-going(cheerful, jolly, lighthearted)
2
en passant
2
forgetful(adjective, careless, indifferent, casual, thoughtless)
2
free(adjective, simple, fake, natural, casual)
2
gruff(adjective, rude)
2
happy-go-lucky(adjective, mild, relaxed, casual, tolerant)
2
headlong(noun, adjective, thoughtless, candid, spontaneous)
2
heedlessly
2
helter-skelter(careless, casual, arbitrary)
2
immediately(adverb, earliness)
2
imprecise(adjective, casual, random, haphazard, unfussy)
2
improv(adverb, free, casual, spontaneous, impromptu)
10 years ago|9.5k views|share |citing 
APASmart Define. (2016). offhand thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/offhand/thesaurus/synonyms
ChicagoSmart Define. 2016. "offhand thesaurus" https://smartdefine.org/offhand/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, offhand thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/offhand/thesaurus/synonyms>.
MLASmart Define. "offhand thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/offhand/thesaurus/synonyms>