2
extemporaneous(adjective, unrehearsed, extemporary)
1
casual(adjective, unrehearsed, extemporary)
1
extemporary(adjective, unrehearsed, extemporaneous)
1
extempore(adjective, unrehearsed, extemporary)
1
impromptu(adjective, unrehearsed, extemporaneous, extemporary)
1
improvised(adjective, unrehearsed, extemporary)
1
informal(adjective, unrehearsed, extemporary)
1
makeshift(adjective, unrehearsed, extemporary)
1
offhand(adjective, unrehearsed, extemporary)
1
offhanded
1
spontaneous(adjective, unrehearsed, extemporaneous, extemporary)
1
unplanned(adjective, unrehearsed, extemporary)
1
unpremeditated(adjective, unrehearsed, extemporary)
1
unprepared(adjective, unrehearsed, extemporary)
1
unstudied(adjective, unrehearsed, extemporary)
0
accidental
0
ad-lib(unrehearsed, extemporaneous, extemporary)
0
ad hoc(expression, unrehearsed, extemporary)
0
ad lib
0
adventitious
<123>
13 years ago|265 views|share |citing 
APASmart Define. (2013). extemporal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extemporal/thesaurus/synonyms
ChicagoSmart Define. 2013. "extemporal thesaurus" https://smartdefine.org/extemporal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, extemporal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extemporal/thesaurus/synonyms>.
MLASmart Define. "extemporal thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/extemporal/thesaurus/synonyms>