Strong's #208: akuroo (pronounced ak-oo-ro'-o)

from 1 (as a negative particle) and 2964; to invalidate:--disannul, make of none effect.

Thayer's Greek Lexicon:

̓́

akuroō

1) to render void, deprive of force and authority

Part of Speech: verb

Relation: from G1 (as a negative particle) and G2964

Citing in TDNT: 3:1099, 494

Usage:

This word is used 3 times:

 

Matthew 15:6: "his mother, he shall be free. Thus have ye made the commandment of God of none effect by"
Mark 7:13: " Making the word of God of none effect through your tradition, which ye have delivered:"
Galatians 3:17: "thirty years after, cannot disannul, that it should make the promise of none effect."