54 entries under free topic. ×
| intentional(adjective, feature, characteristic, set, direct) | |
| spontaneous(adjective, feature, characteristic, deliberate) | |
| willful(adjective, keen, happy, agreeable) | |
| deliberate(adjective, feature, characteristic, set, direct) | |
| volunteer(noun, adjective, feature, characteristic, work) | |
| gratuitous(adjective, feature, characteristic, deliberate) | |
| volitional(adjective, feature, characteristic, open) | |
| intended(verb, adjective, feature, characteristic, set) | |
| willing(adjective, set, direct, simple) | |
| unforced(adjective, feature, characteristic, open) | |
| unpaid(adjective, feature, characteristic, work) | |
| optional(adjective, deliberate, natural, willing) | |
| autonomous(adjective, feature, characteristic, honor) | |
| independent(adjective, feature, characteristic, deliberate) | |
| discretional(adjective, feature, characteristic, open) | |
| honorary(adjective, feature, characteristic, honor) | |
| unconstrained(adjective, feature, characteristic, simple) | |
| chosen(adjective, feature, characteristic, deliberate) | |
| discretionary(adjective, open, will, elective) | |
| elective(adjective, open, able) |
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| APA | Smart Define. (2015). voluntary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/voluntary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "voluntary thesaurus" https://smartdefine.org/voluntary/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, voluntary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/voluntary/thesaurus/synonyms>. |
| MLA | Smart Define. "voluntary thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/voluntary/thesaurus/synonyms> |