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1. In such a manner as could not be otherwise
   "we must needs be objective";
   - inevitably, necessarily, of necessity

1. A condition requiring relief
   "she satisfied his need for affection"; "God has no need of men to accomplish His work";
   - demand
    
2. Anything that is necessary but lacking
   "he had sufficient means to meet his simple needs";
   - want
    
3. 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
    
4. A state of extreme poverty or destitution
   "a general state of need exists among the homeless";
   - indigence, penury, pauperism, pauperization

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

Sounds like: kn

Type of: be, condition, essential, immiseration, immiserisation [Brit], immiserization, impoverishment, necessary, necessity, poorness, poverty, psychological feature, requirement, requisite, status

Encyclopedia: Needs, James