GANDALF Meaning of GANDALF in English Gan ‧ dalf /ˈɡændælf $ ˈɡɑːndɑːlf/ BrE AmE one of the main characters in the book The ↑ Lord of the Rings by J.R.R. Tolkien. He is a ↑ wizard . Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012