need

名词 need:

a condition requiring relief

同义词：demand

anything that is necessary but lacking

同义词：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 behavior

同义词：motivation, motive

a state of extreme poverty or destitution

同义词：indigence, penury, pauperism, pauperization

动词 need:

require as useful, just, or proper

同义词：necessitate, ask, postulate, require, take, involve, call for, demand

have need of

同义词：want, require

have or feel a need for