The meaning of NEEDS is of necessity : necessarily.

Definition of need noun from the Oxford Advanced American Dictionary need noun /nid/ [singular, uncountable] a situation when something is necessary or must be done to satisfy/meet/identify a need need (for something) There is an urgent need for qualified teachers.

Need, a word of Old English origin, has connotations that make it strong in emotional appeal: the need to be appreciated.Necessity, a word of Latin origin, is more formal and impersonal or objective; though much stronger than need in expressing urgency or imperative demand, it is less effective in appealing to the emotions: Water is a necessity for living things.