G3392–μιαίνω–miainō

Then they led Jesus from Caiaphas to the hall of judgment: and it was early; and they themselves went not into the judgment-hall, lest they should be defiled; but that they might eat the passover.

μιανθῶσιν mianthōsin “they may be defiled”

To the pure all things are pure: but to them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.

μεμιαμμένοις memiammenois “defiled”μεμίανται memiantai “have been defiled”

Looking diligently, lest any man fail of the grace of God; lest any root of bitterness springing up, trouble you, and by it many be defiled;

μιανθῶσιν mianthōsin “may be defiled”

Likewise also these filthy dreamers defile the flesh, despise dominion, and speak evil of dignities.

μιαίνουσιν, miainousin “defile,”