66 entries under willing topic. ×

22
free(adjective, adverb, feature, characteristic, close)
14
uncontrolled(adjective, separate, open, free, simple)
12
spontaneous(adjective, feature, characteristic, free, simple)
8
unforced(adjective, feature, characteristic, free, simple)
8
voluntary(adjective, feature, characteristic, free, simple)
7
casual(adjective, clear, open, simple, easy)
7
independent(adjective, feature, characteristic, clear, separate)
6
autonomous(adjective, feature, characteristic, separate, free)
6
intended(adjective, feature, characteristic, free, regard)
6
volitional(adjective, feature, characteristic, free, regard)
5
intentional(adjective, feature, characteristic, free, regard)
5
natural(adjective, simple, relaxed, straightforward, casual)
5
unasked(adjective, feature, characteristic, free, regard)
5
volunteer(adjective, feature, characteristic, free, regard)
5
willed(adjective, feature, characteristic, free, regard)
4
unstudied(adjective, simple, natural, casual, impulsive)
3
chosen(verb, adjective, feature, characteristic, free)
3
deliberate(adjective, feature, characteristic, free, natural)
3
designful(adjective, feature, characteristic, free, deliberate)
3
discretional(adjective, feature, characteristic, free, deliberate)
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APASmart Define. (2015). unconstrained thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unconstrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconstrained thesaurus" https://smartdefine.org/unconstrained/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unconstrained thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unconstrained/thesaurus/synonyms>.
MLASmart Define. "unconstrained thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unconstrained/thesaurus/synonyms>