3154 - mataioó

Strong's Concordance

Original word: ματαιόω
Transliteration: mataioó
Definition (short): futile
Definition (full): to make vain, foolish

NAS Exhaustive Concordance

Word Origin: from mataios
Definition: to make vain, foolish
NASB Translation: became futile (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From mataios; to render (passively, become) foolish, i.e. (morally) wicked or (specially), idolatrous -- become vain.

see GREEK mataios

References

Strong's 3154: 1 Occurrences
KJV: Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
NASB: For even though they knew God, they did not honor Him as God or give thanks, but they became futile in their speculations, and their foolish heart was darkened.