Thine enemies - e. g. Hadad the Edomite 1 Kings 11:14-22 and Rezon the son of Eliadah 1 Kings 11:23-25, whom Solomon might well have wished to remove.
Related Commentaries of 1 Kings 3:11
1 Kings 3:11
11 And God said unto him, Because thou hast asked this thing, and hast not asked for thyself long life;c neither hast asked riches for thyself, nor hast asked the life of thine enemies; but hast asked for thyself understanding to discern judgment;