93 entries under adjective topic. ×

4
ad hoc(expression, free, casual, unplanned)
4
impulsive(adverb, simple, natural, chance)
4
off the cuff(expression, idiom, adverb, free)
4
rough-and-ready
4
stopgap
4
unstudied(free, simple, fake, natural)
3
ad libitum(expression, adverb, informal, unplanned)
3
haphazard
3
hasty
3
ill-considered(impulsive, unqualified, unprepared, unsuspecting)
3
improvisatory(free, casual, impulsive, impulse)
3
provisional
3
spur-of-the-moment(free, prepared, spontaneous, unprepared)
3
undevised
3
unscripted(spontaneous, unprepared, impromptu, unplanned)
2
abrupt
2
automatic(free, simple, fake, natural)
2
band-aid(crude, substitute, spontaneous, temporary)
2
free(simple, fake, natural, casual)
2
improviso(free, spontaneous, unprepared, impromptu)
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APASmart Define. (2015). improvised thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/improvised/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvised thesaurus" https://smartdefine.org/improvised/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, improvised thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/improvised/thesaurus/synonyms>.
MLASmart Define. "improvised thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/improvised/thesaurus/synonyms>