51 entries under unrehearsed topic. ×

16
impromptu(adjective, adverb, free, ready, spontaneous)
13
extemporaneous(adjective, spontaneous, impromptu, unplanned)
13
offhand(adjective, free, ready, casual, spontaneous)
13
spontaneous(adjective, free, ready, impromptu, unplanned)
12
unplanned(adjective, free, ready, casual, unqualified)
11
extempore(adjective, free, spontaneous, impromptu, unplanned)
11
unpremeditated(adjective, free, spontaneous, impromptu, unplanned)
10
improvised(adjective, free, ready, spontaneous, impromptu)
8
off the cuff(expression, adjective, idiom, free, ready)
7
ad-lib(adjective, free, ready, spontaneous, impromptu)
7
makeshift(adjective, free, simple, natural, unrefined)
6
ad lib(expression, adjective, free, informal)
6
casual(adjective, free, impulsive, spontaneous, impromptu)
6
spur-of-the-moment(adjective, free, spontaneous, impromptu)
6
unstudied(adjective, free, casual, spontaneous, impromptu)
4
snap(free, informal, casual, impulsive, spontaneous)
4
unarranged(adjective, spontaneous, unplanned, unpremeditated)
3
extemporized(adjective, informal, spontaneous, unplanned)
2
ad hoc(expression, adjective, idiom, free, unplanned)
2
improv(adjective, free, casual, spontaneous, impromptu)
<123>
11 years ago|12k views|share |citing 
APASmart Define. (2015). unprepared thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unprepared/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprepared thesaurus" https://smartdefine.org/unprepared/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unprepared thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unprepared/thesaurus/synonyms>.
MLASmart Define. "unprepared thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unprepared/thesaurus/synonyms>