35 entries under improvised topic. ×

1
casual(adjective, free, informal, spontaneous, unprepared)
1
expedient(adjective, free, informal, casual, snap)
1
free(adjective, informal, casual, spontaneous, unprepared)
1
immediate(adjective, free, informal, casual, snap)
1
improvisatory(adjective, free, informal, casual, snap)
1
informal(adjective, free, casual, snap, unprepared)
1
jamming(adjective, free, informal, casual, snap)
1
made-up(adjective, adverb, free, informal, snap)
1
on-the-spot(adjective, free, informal, casual, snap)
1
on impulse(expression, adjective, free, informal, casual)
1
taking for ride(expression, idiom, free, informal, casual)
1
thought out loud(expression, idiom, free, informal, casual)
1
tossed out(expression, adjective, free, informal, casual)
1
winging it(noun, expression, adjective, free, unrehearsed)
0
snapper(adjective, free, casual, unrehearsed)
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APASmart Define. (2015). ad lib thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ad_lib/thesaurus/synonyms
ChicagoSmart Define. 2015. "ad lib thesaurus" https://smartdefine.org/ad_lib/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, ad lib thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ad_lib/thesaurus/synonyms>.
MLASmart Define. "ad lib thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/ad_lib/thesaurus/synonyms>