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

69 entries under spontaneous topic. ×

1
offhand(adjective, simple, passionate, violent, natural)
1
simple(adjective, natural, casual, impulsive, willing)
1
unartful(adjective, simple, natural, casual, impulsive)
1
unavoidable(adjective, simple, natural, casual, impulsive)
1
unconstrained(adjective, simple, natural, casual, impulsive)
1
uncontrived(adjective, simple, natural, casual, impulsive)
1
uncontrolled(adjective, simple, natural, casual, impulsive)
1
unpremediated(adjective, simple, natural, casual, impulsive)
1
unsophisticated(adjective, simple, natural, casual, impulsive)
1
unstudied(adjective, simple, natural, casual, impulsive)
1
up front(expression, adjective, simple, natural, casual)
1
willing(adjective, simple, natural, casual, impulsive)
0
chosen(natural, voluntary)
0
deliberate(natural, voluntary)
0
designful(natural, voluntary)
0
elected(natural, voluntary)
0
free-willed(natural, voluntary)
0
freely(natural, voluntary, unasked, unbidden)
0
honorary(natural, voluntary)
0
intended(natural, voluntary)
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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>