Strong's #2758: kenoo (pronounced ken-o'-o)

from 2756; to make empty, i.e. (figuratively) to abase, neutralize, falsify:--make (of none effect, of no reputation, void), be in vain.

Thayer's Greek Lexicon:

́

kenoō

1) to empty, make empty

1a) of Christ, he laid aside equality with or the form of God

2) to make void

2a) deprive of force, render vain, useless, of no effect

3) to make void

3b) cause a thing to be seen to be empty, hollow, false

Part of Speech: verb

Relation: from G2756

Citing in TDNT: 3:661, 426

Usage:

This word is used 5 times:

 

Romans 4:14: "the law be heirs, faith is made void, and the promise made of none effect:"
1 Corinthians 1:17: "the cross of Christ should be made of none effect."
1 Corinthians 9:15: "die, than that any man should make my glorying void."
2 Corinthians 9:3: "boasting of you should be in vain in this behalf; that,"
Philippians 2:7: "But made himself of no reputation, and took upon him the form of a servant, and was made in"