87 entries under willing topic. ×

24
free(adjective, feature, characteristic, open, honor)
19
intentional(adjective, feature, characteristic, set, direct)
18
spontaneous(adjective, feature, characteristic, free, deliberate)
16
willful(adjective, free, keen, happy, agreeable)
15
deliberate(adjective, feature, characteristic, set, direct)
15
volunteer(noun, adjective, feature, characteristic, work)
14
gratuitous(adjective, feature, characteristic, free, deliberate)
13
volitional(adjective, feature, characteristic, open, free)
13
intended(verb, adjective, feature, characteristic, set)
13
willing(adjective, set, direct, free, simple)
12
unforced(adjective, feature, characteristic, open, free)
12
unpaid(adjective, feature, characteristic, work, free)
11
optional(adjective, free, deliberate, natural)
10
autonomous(adjective, feature, characteristic, honor, free)
10
independent(adjective, feature, characteristic, free, deliberate)
8
discretional(adjective, feature, characteristic, open, free)
8
honorary(adjective, feature, characteristic, honor, free)
8
unconstrained(adjective, feature, characteristic, free, simple)
7
chosen(adjective, feature, characteristic, free, deliberate)
7
unasked(adjective, feature, characteristic, free, keen)
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APASmart Define. (2015). voluntary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/voluntary/thesaurus/synonyms
ChicagoSmart Define. 2015. "voluntary thesaurus" https://smartdefine.org/voluntary/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, voluntary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/voluntary/thesaurus/synonyms>.
MLASmart Define. "voluntary thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/voluntary/thesaurus/synonyms>