23
invent(verb, make, fix, plan, create)
14
ad-lib(verb, adjective, make, fix, plan)
14
make up(verb, expression, phrasal verb, make, fix)
12
devise(verb, make, fix, plan, produce)
11
extemporize(noun, verb, create, informal, planned)
10
contrive(verb, make, fix, plan, produce)
9
dream up(verb, expression, phrasal verb, make, fix)
8
concoct(verb, make, fix, plan, create)
7
extemporise
6
ad lib(noun, expression, idiom, nonpreparation)
6
coin(verb, make, fix, produce, create)
6
wing it(noun, verb, expression, idiom, make)
6
create(verb, make, fix, plan, produce)
5
conceive(verb, plan, produce, create, arrange)
5
fabricate(verb, make, fix, plan, create)
5
fake(verb, planned, compose, prepared)
5
improvised(informal, impulse, unplanned, extemporize, off-the-cuff)
4
cook up(verb, expression, phrasal verb, make, fix)
4
originate(verb, make, fix, produce, create)
4
play(verb, report, view, review, understand)
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APASmart Define. (2015). improvise thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improvise/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvise thesaurus" https://smartdefine.org/improvise/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, improvise thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improvise/thesaurus/synonyms>.
MLASmart Define. "improvise thesaurus" 9 December 2015. Web. 20 September 2026. <https://smartdefine.org/improvise/thesaurus/synonyms>