- need [nēd]n.[ME nede < OE nied, akin to Ger not, Goth nauths < IE * neuti- < base * neu-, to collapse with weariness > Welsh newyn, starvation]1. necessity or obligation created by some situation [no need to worry]2. a lack of something useful, required, or desired [to have need of a rest]3. something useful, required, or desired that is lacking; want; requirement [list your daily needs]4.a) a condition in which there is a deficiency of something, or one requiring relief or supply [a friend in need]b) a condition of poverty, or extreme wantvt.to have need of; want or lack; require: need is often used as an auxiliary, either uninflected and followed by an infinitive without to, or inflected and followed by an infinitive with to, meaning “to be obliged, must” [he need not come, he needs to be careful]vi.1. Archaic to be necessary; chiefly in impersonal constructions [it needs not]2. to be in need: See also NEEDSSYN.- LACK——————have need toto be compelled or required to; must——————if need beif it is required; if the occasion demandsneedern.SYN.- NEED refers to an urgent requirement of something essential or desirable that is lacking; NECESSITY, a more formal word, suggests an imperative need for something indispensable but lacks the emotional connotations of NEED [they are in need of food, food is a necessity for all living things ]; EXIGENCY refers to a necessity created by some emergency, crisis, or compelling circumstances [the exigencies created by the flood ]; REQUISITE applies to something that is indispensable to a particular end or goal [a sense of rhythm is a requisite in a dancer ]
English World dictionary. V. Neufeldt. 2014.