27 entries under informal topic. ×

1
tossed off(expression, adjective, free, snap)
1
tossed out(expression, free, snap, improvised)
1
winging it(expression, free, casual, snap)
1
without restraint(expression, adjective, adverb, impulsive)
0
extemporize(unplanned, off-the-cuff, extemporise)
0
improvise(unplanned, extemporize, off-the-cuff, extemporise)
0
off top of head(expression, idiom, impulsive, snap)
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APASmart Define. (2015). unrehearsed thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/unrehearsed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrehearsed thesaurus" https://smartdefine.org/unrehearsed/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, unrehearsed thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/unrehearsed/thesaurus/synonyms>.
MLASmart Define. "unrehearsed thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/unrehearsed/thesaurus/synonyms>