Synonyms|37Antonyms|2|Broader|0Narrower|0Related|47
4
discretionary(adjective, open)
3
nonobligatory
3
optional
1
arbitrary
1
autonomous
1
discretional
1
elective
1
free
1
free will
1
gratuitous
1
independent
1
offered
1
proffered
1
self-acting
1
self-active
1
self-determined
1
self-determining
1
spontaneous
1
unasked
1
unbesought
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APASmart Define. (2015). nonmandatory thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonmandatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonmandatory thesaurus" https://smartdefine.org/nonmandatory/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonmandatory thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonmandatory/thesaurus/synonyms>.
MLASmart Define. "nonmandatory thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonmandatory/thesaurus/synonyms>