A Brighter Day Begins with His Word.

STRONG'S WORD STUDY

G3154 — ματαιόω

mataioō · to make futile · Greek

ματαιόω, -ῶ (μάταιος), [in LXX: 4Ki.17:15, Jer.2:5, al. הָבַל, etc. ;] to make vain, foolish: Rom.1:21.† (AS)

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1 tagged verse occurrence

Romans 1:21 · ἐματαιώθησανbecause that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened.