59 entries under adjective topic. ×
| discretionary(open, free, choice, voluntary) | |
| elective(open, free, choice, able) | |
| optional(choice, possible, voluntary, elective) | |
| voluntary(open, free, elective, optional) | |
| ability | |
| casual | |
| contingent | |
| discretional(open, free, voluntary, elective) | |
| nonobligatory(open, free, voluntary, elective) | |
| permissive | |
| arbitrary(open, free, voluntary, elective) | |
| dispensable | |
| free(open, voluntary, elective) | |
| noncompulsory(open, free, voluntary, elective) | |
| not compulsory(expression, idiom, electoral) | |
| not required(expression, open, free, voluntary) | |
| selective | |
| unforced(open, free, voluntary, elective) | |
| volitional(open, free, voluntary, elective) | |
| accidental |
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| APA | Smart Define. (2013). facultative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/facultative/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "facultative thesaurus" https://smartdefine.org/facultative/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, facultative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/facultative/thesaurus/synonyms>. |
| MLA | Smart Define. "facultative thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/facultative/thesaurus/synonyms> |