'Face to face' in the Bible

"Rise in the presence of the aged and honor the elderly face-to-face. "Fear your God. I am the LORD.

When Gideon realized that he had seen the angel of the LORD himself, he cried out, "Oh no! Lord GOD! I've been looking right at the angel of the LORD and face-to-face at that!"

Then Amaziah sent messengers to Jehoash the son of Jehoahaz the son of Jehu king of Israel, saying, "Come let us meet {face-to-face}."

But Amaziah would not listen, so Jehoash king of Israel went up and they met face-to-face, he and Amaziah king of Judah, at Beth-Shemesh which belongs to Judah.

Indeed, the LORD is righteous; he loves righteousness; the upright will see him face-to-face. To the Director: On an eight stringed harp. A Davidic Psalm.