Gibborim is a Hebrew word that can be glossed "mightiest" which is an intensive for gabar (גּבר) that can be glossed "mighty". Many times it is used of people who are valiant, mighty, or of great stature. There is some confusion between Gibborim as a class of beings because of its use in Genesis 6:4. However, this passage describes the Nephilim

Nephilim

The Nephilim are the offspring of the "sons of God" and the "daughters of men" in Genesis 6:4, or giants who inhabit Canaan in Numbers 13:33. A similar word with different vowel-sounds is used in Ezekiel 32:27 to refer to dead Philistine warriors....

 as mighty (gibborim).

The word gibborim is used in the Tanakh

Tanakh

The Tanakh is a name used in Judaism for the canon of the Hebrew Bible. The Tanakh is also known as the Masoretic Text or the Miqra. The name is an acronym formed from the initial Hebrew letters of the Masoretic Text's three traditional subdivisions: The Torah , Nevi'im and Ketuvim —hence...

 in excess of 150 times and applied to men as well as lions (Book of Proverbs

Book of Proverbs

The Book of Proverbs , commonly referred to simply as Proverbs, is a book of the Hebrew Bible.The original Hebrew title of the book of Proverbs is "Míshlê Shlomoh" . When translated into Greek and Latin, the title took on different forms. In the Greek Septuagint the title became "paroimai paroimiae"...

 30:30), hunters (Genesis 10:9), soldiers (Book of Jeremiah

Book of Jeremiah

The Book of Jeremiah is the second of the Latter Prophets in the Hebrew Bible, following the book of Isaiah and preceding Ezekiel and the Book of the Twelve....

 51:30) and leaders (Book of Daniel

Book of Daniel

The Book of Daniel is a book in the Hebrew Bible. The book tells of how Daniel, and his Judean companions, were inducted into Babylon during Jewish exile, and how their positions elevated in the court of Nebuchadnezzar. The court tales span events that occur during the reigns of Nebuchadnezzar,...

11:3).

In modern Hebrew the word "gibbor" (the singular form of 'gibborim'), equates with 'hero' (if noun), or 'brave' (if adjective). Whereas the ancient significance related to a divine, extraterrestrial descent is forgotten.