From BiblePortal Wikipedia

King James Dictionary [1]

Need, n. to be in want. The primary sense is to press.

1. Want occasion for something necessity a state that requires supply or relief. It sometimes expresses urgent want pressing exigency.

What further need have we of witnesses?  Matthew 26 .

2. Want of the means of subsistence poverty indigence.

I know how to abound and to suffer need.  Philippians 4 .

Need, to compel To want to lack to require, as supply or relief.

They that be whole need not a physician, but they that are sick.  Matthew 9 .

NEED,v.i. To be wanted to be necessary.

When we have done it, we have done all that is in our power, and all that needs. Not used.

Need is often used as an auxiliary, or at least without the personal termination.

And the lender need not fear he shall be injured.

Webster's Dictionary [2]

(1): ( n.) A state that requires supply or relief; pressing occasion for something; necessity; urgent want.

(2): ( n.) To be in want of; to have cause or occasion for; to lack; to require, as supply or relief.

(3): ( adv.) Of necessity. See Needs.

(4): ( v. i.) To be wanted; to be necessary.

(5): ( n.) Situation of need; peril; danger.

(6): ( n.) That which is needful; anything necessary to be done; (pl.) necessary things; business.

(7): ( n.) Want of the means of subsistence; poverty; indigence; destitution.