Synonyms|166Antonyms|0|Broader|0Narrower|0Related|17

84 entries under voluntary topic. ×

1
impromptu(adjective, simple, natural, casual, impulsive)
1
improvised(adjective, simple, natural, casual, impulsive)
1
impulsive(adjective, simple, natural, casual, willing)
1
inevitable(adjective, simple, natural, casual, impulsive)
1
instinctive(adjective, simple, natural, casual, impulsive)
1
involuntary(adjective, simple, natural, casual, impulsive)
1
irresistible(adjective, simple, natural, casual, impulsive)
1
natural(adjective, simple, casual, impulsive, willing)
1
off-the-cuff(adjective, simple, natural, casual, impulsive)
1
off top of head(expression, adjective, idiom, simple, natural)
1
offhand(adjective, simple, natural, casual, impulsive)
1
opted(adjective, free, deliberate, natural, witting)
1
simple(adjective, natural, casual, impulsive, willing)
1
unartful(adjective, simple, natural, casual, impulsive)
1
unavoidable(adjective, simple, natural, casual, impulsive)
1
unconscious(adjective, simple, natural, casual, impulsive)
1
uncontrived(adjective, simple, natural, casual, impulsive)
1
unintentional(adjective, simple, natural, casual, impulsive)
1
unpaid(adjective, free, deliberate, natural, willing)
1
unplanned(adjective, simple, natural, casual, impulsive)
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ChicagoSmart Define. 2015. "uncompelled thesaurus" https://smartdefine.org/uncompelled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, uncompelled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/uncompelled/thesaurus/synonyms>.
MLASmart Define. "uncompelled thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/uncompelled/thesaurus/synonyms>