Strong's #3152: mataios (pronounced mat'-ah-yos)

from the base of 3155; empty, i.e. (literally) profitless, or (specially), an idol:--vain, vanity.

Thayer's Greek Lexicon:

́

mataios

1) devoid of force, truth, success, result

2) useless, of no purpose

Part of Speech: adjective

Relation: from the base of G3155

Citing in TDNT: 4:519, 571

Usage:

This word is used 6 times:

 

Acts 14:15: "that ye should turn from these vanities unto the living God,"
1 Corinthians 3:20: "wise, that they are vain."
1 Corinthians 15:17: "raised, your faith is vain; ye are yet in your"
Titus 3:9: "they are unprofitable and vain."
James 1:26: "heart, this man's religion is vain."
1 Peter 1:18: "gold, from your vain conversation received by tradition from your fathers;"