17 entries under idiom topic. ×

6
ad lib(noun, expression, nonpreparation)
6
wing it(noun, verb, expression, phrasal verb)
4
play by ear(noun, verb, expression, improvise)
3
do offhand(verb, expression, improvise)
1
according to pleasure(expression, adjective, informal, unplanned)
1
as one thinks best(expression, adjective, informal, unplanned)
1
as one wishes(expression, adjective, informal, unplanned)
1
be caught napping
1
be taken unawares
1
go off half-cocked
1
have no plan
1
scrap the plan
0
be creative
0
do off the cuff(expression, improvise)
0
make up on the spot(expression, improvise)
0
render useless(expression, nonpreparation)
0
speak off the cuff(verb, expression, fake, invent)
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APASmart Define. (2015). extemporize thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extemporize/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporize thesaurus" https://smartdefine.org/extemporize/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, extemporize thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extemporize/thesaurus/synonyms>.
MLASmart Define. "extemporize thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/extemporize/thesaurus/synonyms>