Synonyms and Antonyms of optional
subject to one's freedom of choice at the resort all recreational activities are optional, and you may choose to participate in none of them Synonyms of optional discretionary, elective, voluntary Words Related to optional alternate, alternative, chosen; dispensable, unnecessary, unneeded, unwanted Near Antonyms of optional essential, indispensable, necessary, requisite Antonyms of optional compulsory, mandatory, nonelective, nonvoluntary, obligatory, required
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