(rare) Something that is not needed or is excessive.

(idiomatic) If need be; if there is a need.

(archaic) Either directly or indirectly preceded or followed by an auxiliary verb, often must: of necessity or need; necessarily, indispensably.

plural of need

Third-person singular simple present indicative form of need

A surname.

(law, US) A legal document issued by a federal or state regulatory agency with authority over an area which affirms that a proposed acquisition, expansion, or creation of a facility falling under that authority is required to fulfill the needs of a community.

plural of Certificate of Need

(idiomatic) To need something immediately or urgently; to need something that is already late.

Something that one needs to know; a piece of necessary information.