optional

optional

adjective

Definition 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 discretionary, elective, voluntary

Related Words alternate, alternative, chosen; dispensable, unnecessary, unneeded, unwanted

Near Antonyms essential, indispensable, necessary, requisite

Antonyms compulsory, mandatory, nonelective, nonvoluntary, obligatory, required