Synonyms|180Antonyms|4|Broader|0Narrower|0Related|1

85 entries under adjective topic. ×

3
impromptu(adverb, free, offhand, unprepared)
2
ad lib(expression, free, informal, mock)
2
by ear(expression, free, fake, informal)
2
extempore(free, simple, fake, straightforward)
2
free(simple, fake, straightforward, casual)
2
improvisatory(free, fake, informal, casual)
2
improviso(free, fake, informal, mock)
2
makeshift(adverb, free, casual, impromptu)
2
offhand(adverb, free, casual, spontaneous)
2
on-the-spot(free, fake, informal, casual)
2
on impulse(expression, free, fake, informal)
2
spontaneous(free, simple, fake, informal)
2
tossed off(expression, free, informal, mock)
2
unpremeditated(free, casual, spontaneous, unprepared)
2
unprepared(free, casual, spontaneous, impromptu)
1
ad-lib(verb, adverb, make, fix)
1
off the cuff(expression, idiom, adverb, free)
1
spur-of-the-moment(free, casual, spontaneous, unprepared)
1
ad hoc(expression, free, casual, unrehearsed)
1
automatic(free, informal, casual, impulsive)
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APASmart Define. (2013). improv thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/improv/thesaurus/synonyms
ChicagoSmart Define. 2013. "improv thesaurus" https://smartdefine.org/improv/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, improv thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/improv/thesaurus/synonyms>.
MLASmart Define. "improv thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/improv/thesaurus/synonyms>