nonelective

forcing one's compliance or participation by or as if by law language arts, math, and science are nonelective subjects taken by all students at the school Synonyms compulsory, forced, imperative, incumbent, involuntary, necessary, mandatory, obligatory, peremptory, requiredRelated Words all-important, essential, indispensable, needed, requisite; insistent, persistent, pressing, urgent; demanded, enforced; coerciveNear Antonyms chosen, discretionary; dispensable, unnecessary, unneeded, unwanted; inconsequential, insignificant, nonessential, unimportantAntonyms elective, optional, voluntary