Synonyms|305Antonyms|19|Broader|1Narrower|0Related|140

53 entries under impromptu topic. ×

2
improv(adjective, free, simple, fake, straightforward)
2
involuntary(adjective, simple, natural, casual, impulsive)
1
autoschediastic(free, casual, impulsive, spontaneous, unprepared)
1
break loose(expression, adjective, simple, natural, casual)
1
down(adjective, simple, natural, casual, impulsive)
1
free spirited(expression, adjective, simple, natural, casual)
1
from the hip(expression, adjective, idiom, simple, natural)
1
impetuous(adjective, simple, natural, casual, impulsive)
1
inevitable(adjective, simple, natural, casual, impulsive)
1
instinctive(adjective, simple, natural, casual, impulsive)
1
irresistible(adjective, simple, natural, casual, impulsive)
1
off the top of head(expression, adverb, free, unrehearsed)
1
off top of head(expression, adjective, idiom, adverb, simple)
1
spontaneously
1
throwaway(adjective, simple, plain, straightforward, casual)
1
unartful(adjective, simple, natural, casual, impulsive)
1
unavoidable(adjective, simple, natural, casual, impulsive)
1
unbidden(adjective, simple, natural, casual, impulsive)
1
uncompelled(adjective, simple, natural, casual, impulsive)
1
unconscious(adjective, simple, natural, casual, impulsive)
For more, visit Extempore on Power Thesaurus
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). extempore thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extempore/thesaurus/synonyms
ChicagoSmart Define. 2015. "extempore thesaurus" https://smartdefine.org/extempore/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, extempore thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extempore/thesaurus/synonyms>.
MLASmart Define. "extempore thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/extempore/thesaurus/synonyms>