'Profound' in the Bible

Fear and profound awe gripped them all, and they began glorifying and honoring and praising God, saying, “A great prophet has arisen among us!” and, “God has visited His people [to help and care for and provide for them]!”

And He said to them, “Where is your faith [your confidence in Me]?” They were afraid and astonished, saying to one another, “Who then is this, that He commands even the winds and the sea, and they obey Him?”

"Your Excellency Felix, since we are enjoying lasting peace because of you, and since reforms for this nation are being brought about through your foresight, we always and everywhere acknowledge it with profound gratitude.

For God has unveiled them and revealed them to us through the [Holy] Spirit; for the Spirit searches all things [diligently], even [sounding and measuring] the [profound] depths of God [the divine counsels and things far beyond human understanding].

This mystery is profound, but I am talking about Christ and the church.

But if any widow has children or grandchildren, they must learn to show profound respect for their own household first, and to pay back recompense to their parents, for this is pleasing in the sight of God.