'Blamelessly' in the Bible

He who walks blamelessly and does what is right. He who speaks honestly in his heart.

Because Yahweh God [is] a sun and a shield; Yahweh gives grace and honor. He does not withhold good from those who walk blamelessly.

And they were both righteous in the sight of God, living blamelessly in all the commandments and regulations of the Lord.

You [are] witnesses, and [so is] God, how devoutly and righteously and blamelessly we became to you who believe,