Definition of Need

Verb: need need

Must happen, have or exist previously or during (in order for stated thing to be happen or be the case)
"This job needs a lot of patience and skill";
- necessitate, ask, postulate, require, take, involve, call for, demand
Have a requirement for
"This piano needs the attention of a competent tuner";
- want, require
Have or feel a need for
"always needing friends and money"

Noun: need need

A condition requiring relief
"she satisfied his need for affection"; "God has no need of men to accomplish His work";
- demand
Anything that is necessary but lacking
"he had sufficient means to meet his simple needs";
- want
The psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behaviour
- motivation, motive
A state of extreme poverty or destitution
"a general state of need exists among the homeless";
- indigence, penury, pauperism, pauperization