Synonyms|87Antonyms|19|Broader|1Narrower|0Related|36
1
off the top of head(expression, adjective, idiom, free, casual)
1
on-the-spot(adjective, free, fake, casual, impulsive)
1
on impulse(expression, adjective, free, fake, casual)
1
stopgap
1
toss off(expression, adjective, free, fake, casual)
1
toss out(expression, adjective, free, fake, casual)
1
unscripted(adjective, spontaneous, unprepared, impromptu)
1
unwritten
1
winging it(expression, adjective, free, casual, impulsive)
0
artless(adjective, natural, impromptu)
0
at first glance(expression, adjective, idiom, free, casual)
0
barbarian
0
barbaric
0
coincidental
0
dismissive
0
extemporized
0
extraordinaire(adjective, free, improvised)
0
freewill
0
godforsaken
0
impetuous
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APASmart Define. (2015). extemporary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extemporary/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporary thesaurus" https://smartdefine.org/extemporary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, extemporary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extemporary/thesaurus/synonyms>.
MLASmart Define. "extemporary thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/extemporary/thesaurus/synonyms>