Or, hidden from mortal men; or, wonderful, such as thou canst not comprehend; my nature or essence (which is oft signified by name in Scripture) is incomprehensible. This shows that this was the Angel of the covenant, the Son of God.
Related Commentaries of Judges 13:18
Judges 13:18
18 And the angel of the LORD said unto him, Why askest thou thus after my name, seeing it is secret?