Not necessary antonyms

What is the opposite word for Not necessary?

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Toilet paper roll on dish with fork and knife Stylish kitchen interior design with appliances Necessary Ingredients in Italian Cuisine White toilet paper rolls placed inside plastic basket and near it on light wooden floor near wall as everyday need for hygiene and sanitary purposes Positive smiling young lady in casual outfit with folded clothes packing stuff into box and suitcase and looking away happily in sunny empty bedroom Set of toilet paper on wooden background
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Antonyms for Not necessary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/antonyms/not_necessary
Antonyms for Not necessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/antonyms/not_necessary>.
Antonyms for Not necessary. 2016. Accessed July 21, 2026. https://thesaurus.plus/antonyms/not_necessary.