33 entries under spontaneous topic. ×

2
improviso(adjective, free, casual, unprepared)
2
informal(adjective, free, casual, snap)
2
off-the-cuff(adjective, chance, unprepared, impromptu)
1
autoschediastic(adjective, free, casual, impulsive)
1
fake(free, casual, impulsive, unprepared)
1
free(informal, casual, impulsive, unprepared)
1
toss off(expression, free, casual, impulsive)
1
toss out(expression, free, casual, impulsive)
1
undiplomatic(adjective, weak, rude, careless, thoughtless)
1
unscripted(adjective, unprepared, impromptu, unplanned)
1
unwise(adjective, weak, careless, thoughtless, unconscious)
0
Band-Aid(adjective, unplanned)
0
fly-by-night(adjective, unplanned)
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APASmart Define. (2015). unpremeditated thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unpremeditated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpremeditated thesaurus" https://smartdefine.org/unpremeditated/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unpremeditated thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unpremeditated/thesaurus/synonyms>.
MLASmart Define. "unpremeditated thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unpremeditated/thesaurus/synonyms>