need -
a condition requiring relief; "she satisfied his need for affection"; "God has no need of men to accomplish His work"; "there is a demand for jobs"
status,
condition the relative position or standing of things or especially persons in a society; "he had the status of a minor"; "the novel attained the status of a classic"; "atheists do not enjoy a favorable position in American life"
lack,
deficiency,
want the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost"
need -
anything that is necessary but lacking; "he had sufficient means to meet his simple needs"; "I tried to supply his wants"
essential,
necessary,
requisite,
necessity,
requirement anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"
Verb
need -
have or feel a need for; "always needing friends and money"
need -
To want strongly; to feel that one must have something.
need -
To be obliged or required to do something.
need -
To be required; to be necessary.
Wikipedia
A need is something that is necessary for organisms to live a healthy life. Needs are distinguished from wants because a deficiency would cause a clear negative outcome, such as dysfunction or death. Needs can be objective and physical, such as food, or they can be subjective and psychological, such as the need for self-esteem.
OmegaWiki Dictionary
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need To need a number or amount of something, but not having any at all.
need The feeling of the lack of something.
need To need a number or amount of something, but not having enough or any at all.