UNNECESSARY Antonyms

There are 10 antonyms of the word unnecessary. (opposite meanings)

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Definition of UNNECESSARYSynonyms of UNNECESSARY

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unnecessarily unnecessariness

Best Opposite Words For UNNECESSARY


Expand?	Word	Save?	Synonyms..	Usage	Type
	necessary				adverb, adjectiveadv, adj
	adjective • absolutely essential noun • anything indispensable adjective satellite • unavoidably determined by prior circumstances
	mandatory				adjectiveadj
	noun • the recipient of a mandate • a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves adjective satellite • required by rule
	needed				adjectiveadj
	adjective satellite • necessary for relief or supply
	required				verb, adjectivev, adj
	adjective satellite • necessary for relief or supply • required by rule
	crucial				adjectiveadj
	adjective • of extreme importance; vital to the resolution of a crisis adjective satellite • having crucial relevance • of the greatest importance
	essential				adjectiveadj
	adjective • basic and fundamental • being or relating to or containing the essence of a plant etc • defining rights and duties as opposed to giving the rules by which rights and duties are established noun • anything indispensable adjective satellite • absolutely necessary; vitally necessary • of the greatest importance
	imperative				noun, adjectiven, adj
	adjective • requiring attention or action • relating to verbs in the imperative mood noun • a mood that expresses an intention to influence the listener's behavior • some duty that is essential and urgent • a verb in the imperative mood.
	important				adjectiveadj
	adjective • of great significance or value • important in effect or meaning • of extreme importance; vital to the resolution of a crisis adjective satellite • having authority or ascendancy or influence • having or suggesting a consciousness of high position
	indispensable				adjectiveadj
	adjective • not to be dispensed with; essential adjective satellite • absolutely necessary; vitally necessary • unavoidable
	vital				adjectiveadj
	adjective satellite • urgently needed; absolutely necessary • performing an essential function in the living body • full of spirit; full of life • manifesting or characteristic of life