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not required
adjective as in facultative
adjective as in optional
adjective as in uncalled-for
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On this page you'll find 47 synonyms, antonyms, and words related to not required, such as: discretional, discretionary, elective, noncompulsory, nonobligatory, and volitional.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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