23 entries under unpremeditated topic. ×

4
extemporaneous(adjective, spontaneous, unprepared, unplanned, unrehearsed)
4
impromptu(adjective, spontaneous, unprepared, unplanned, unrehearsed)
3
ad lib(expression, adjective, spontaneous, unprepared, unplanned)
3
improvised(adjective, spontaneous, unprepared, unplanned, unrehearsed)
3
makeshift(adjective, spontaneous, unplanned)
3
unplanned(adjective, spontaneous, unprepared, unrehearsed)
3
unprepared(adjective, spontaneous, unplanned, unrehearsed)
3
unstudied(adjective, spontaneous, unprepared, unplanned, unrehearsed)
2
ad-lib(spontaneous, unprepared, unplanned, unrehearsed)
2
extempore(adjective, spontaneous, unprepared, unplanned, unrehearsed)
2
extemporized(spontaneous, unprepared, unplanned, unrehearsed)
2
hit-or-miss(spontaneous, unplanned)
2
offhand(adjective, spontaneous, unprepared, unplanned, unrehearsed)
2
spontaneous(adjective, unprepared, unplanned, unrehearsed)
1
spur-of-the-moment(adjective, spontaneous, unprepared, unplanned, unrehearsed)
0
Band-Aid(spontaneous, unplanned)
0
ad hoc(expression, spontaneous, unprepared, unplanned, unrehearsed)
0
autoschediastic(spontaneous, unplanned)
0
fly-by-night(spontaneous, unplanned)
0
improviso(spontaneous, unprepared, unplanned, unrehearsed)
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APASmart Define. (2015). unarranged thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unarranged/thesaurus/synonyms
ChicagoSmart Define. 2015. "unarranged thesaurus" https://smartdefine.org/unarranged/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unarranged thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unarranged/thesaurus/synonyms>.
MLASmart Define. "unarranged thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/unarranged/thesaurus/synonyms>