Synonyms|269Antonyms|51|Broader|0Narrower|0Related|330

89 entries under natural topic. ×

2
improvised(adjective, simple, casual, impulsive)
2
independent(spontaneous, voluntary)
2
optional(spontaneous, voluntary)
2
uncompelled(adjective, simple, casual, impulsive)
2
unforced(adjective, simple, casual, impulsive)
2
unintentional(adjective, simple, casual, impulsive)
2
unwitting(adjective, spontaneous, voluntary, forced)
2
volunteer(spontaneous, voluntary)
2
willful(spontaneous, voluntary)
1
ad-lib(adjective, adverb, simple, violent)
1
break loose(expression, adjective, simple, casual)
1
casual(adjective, simple, impulsive, willing)
1
down(adjective, simple, casual, impulsive)
1
extempore(adjective, simple, casual, impulsive)
1
free spirited(expression, adjective, simple, casual)
1
from the hip(expression, adjective, idiom, simple)
1
inevitable(adjective, simple, casual, impulsive)
1
irresistible(adjective, simple, casual, impulsive)
1
off-the-cuff(adjective, simple, casual, impulsive)
1
off top of head(expression, adjective, idiom, simple)
For more, visit Unprompted on Power Thesaurus
11 years ago|3.5k views|share |citing 
APASmart Define. (2015). unprompted thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unprompted/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprompted thesaurus" https://smartdefine.org/unprompted/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unprompted thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unprompted/thesaurus/synonyms>.
MLASmart Define. "unprompted thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unprompted/thesaurus/synonyms>