Synonyms|241Antonyms|112|Broader|3Narrower|0Related|712

58 entries under casual topic. ×

1
off top of head(expression, adjective, idiom, simple, natural)
1
on-the-spot(adjective, free, impulsive, spontaneous)
1
on impulse(expression, adjective, free, impulsive)
1
simple(adjective, natural, crude, impulsive)
1
toss off(expression, adjective, free, impulsive)
1
toss out(expression, adjective, free, impulsive)
1
unartful(adjective, simple, natural, impulsive)
1
unavoidable(adjective, simple, natural, impulsive)
1
unbidden(adjective, simple, natural, impulsive)
1
uncompelled(adjective, simple, natural, impulsive)
1
unconstrained(adjective, simple, natural, impulsive)
1
uncontrolled(adjective, simple, natural, impulsive)
1
unforced(adjective, simple, natural, impulsive)
1
unpremediated(adjective, simple, natural, impulsive)
1
unsophisticated(adjective, simple, poor, natural)
1
up front(expression, adjective, simple, natural)
1
willing(adjective, simple, natural, impulsive)
1
winging it(expression, adjective, free, thoughtless)
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HarvardSmart Define 2015, extemporaneous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extemporaneous/thesaurus/synonyms>.
MLASmart Define. "extemporaneous thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/extemporaneous/thesaurus/synonyms>