Synonyms and Antonyms of unnecessary
not needed by the circumstances or to accomplish an end <that large suitcase is unnecessary—we are only going to be away for a couple of days> Synonyms dispensable, gratuitous, inessential, needless, nonessential, uncalled-for, unessential, unwarranted Related Words discretionary, elective, optional; extra, extraneous, irrelative, irrelevant, redundant, superfluous Near Antonyms all-important, crucial, important, vital; imperative, pressing, urgent Antonyms essential, indispensable, necessary, needed, needful, required
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