1
without preparation(expression, idiom, offhand, impromptu, extemporaneous)
1
without restraint(expression, adverb, informal, impulsive, extemporize)
0
accidental(chance, unplanned, unpremeditated)
0
ad-hoc(adjective, offhand, makeshift)
0
ad libitem(expression, idiom, nonpreparation)
0
adventitious(chance, unplanned, unpremeditated)
0
apocryphal(untrue, developed, fictitious, invented, fabricated)
0
artless(impulsive, unprompted, spur-of-the-moment)
0
awhile
0
by chance(expression, chance, unplanned, unpremeditated)
0
caught off guard(expression, idiom, unqualified, unsuspecting, unready)
0
chance(unplanned, unpremeditated)
0
cheaply done(expression, adjective, offhand, makeshift)
0
cheaply made(expression, adjective, offhand, makeshift)
0
cold(unqualified, unsuspecting, unready)
0
collaged
0
contingent(chance, unplanned, unpremeditated)
0
contrived
0
cowboy
0
crude but effective(expression, adjective, idiom, offhand, makeshift)
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APASmart Define. (2015). improvised thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/improvised/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvised thesaurus" https://smartdefine.org/improvised/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, improvised thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/improvised/thesaurus/synonyms>.
MLASmart Define. "improvised thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/improvised/thesaurus/synonyms>