- Definitions|1
- Thesaurus|397
- Abbreviations|0
12 entries under voluntary topic. ×
| donated(verb, adjective, free, due) | |
| unpaid(adjective, free, honorary) | |
| free(adjective, honorary) | |
| gratuitous(adjective, honorary) | |
| unindemnified | |
| unrewarded | |
| unsalaried(adjective, unpaid, honorary) | |
| volunteer | |
| amateur | |
| due | |
| freewilled(adjective, honorary, unrewarded) | |
| honorary |
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| APA | Smart Define. (2015). contributed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/contributed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "contributed thesaurus" https://smartdefine.org/contributed/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, contributed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/contributed/thesaurus/synonyms>. |
| MLA | Smart Define. "contributed thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/contributed/thesaurus/synonyms> |