70 entries under adjective topic. ×
| voluntary(noun, feature, characteristic, work) | |
| unpaid(feature, characteristic, free, deliberate) | |
| unforced(feature, characteristic, free, regard) | |
| spontaneous(feature, characteristic, free, regard) | |
| unasked(feature, characteristic, free, regard) | |
| free(feature, characteristic, deliberate, natural) | |
| intended(feature, characteristic, free, regard) | |
| intentional(feature, characteristic, free, regard) | |
| uncompensated(feature, characteristic, regard, unpaid) | |
| unconstrained(feature, characteristic, free, regard) | |
| volitional(feature, characteristic, free, regard) | |
| willed(feature, characteristic, free, regard) | |
| autonomous(feature, characteristic, free, deliberate) | |
| discretional(feature, characteristic, free, deliberate) | |
| gratuitous(feature, characteristic, free, deliberate) | |
| independent(feature, characteristic, free, deliberate) | |
| optional(free, deliberate, natural, willing) | |
| unbidden(free, deliberate, natural, willing) | |
| unsalaried(feature, characteristic, voluntary, unpaid) | |
| chosen(feature, characteristic, free, deliberate) |
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| APA | Smart Define. (2015). volunteer thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/volunteer/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "volunteer thesaurus" https://smartdefine.org/volunteer/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, volunteer thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/volunteer/thesaurus/synonyms>. |
| MLA | Smart Define. "volunteer thesaurus" 20 July 2015. Web. 27 September 2026. <https://smartdefine.org/volunteer/thesaurus/synonyms> |