- Definitions|1
- Thesaurus|82
- Abbreviations|0
15 entries under adjective topic. ×
| discretionary(open, free, voluntary, elective) | |
| nonmandatory | |
| optional(possible, voluntary, elective, electoral) | |
| elective(open, free, able, voluntary) | |
| facultative(open, free, voluntary, elective) | |
| voluntary(open, free, elective, electoral) | |
| arbitrary(open, free, voluntary, elective) | |
| discretional(open, free, voluntary, elective) | |
| electoral | |
| possible(voluntary, elective) | |
| constituent | |
| eligible | |
| not compulsory(expression, electoral) | |
| selective | |
| voting |
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| APA | Smart Define. (2013). nonobligatory thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nonobligatory/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "nonobligatory thesaurus" https://smartdefine.org/nonobligatory/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, nonobligatory thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nonobligatory/thesaurus/synonyms>. |
| MLA | Smart Define. "nonobligatory thesaurus" 28 June 2013. Web. 27 September 2026. <https://smartdefine.org/nonobligatory/thesaurus/synonyms> |