leal I. \ˈlē(ə)l\adjective Etymology: Middle English lel, leel, from Old French leel, leal, leial, from Latin legalis legal, of or relating to law — more at legal 1.chiefly Scotland: loyal, true < leal to the core of her intrepid Scottish heart — Harry Lauder > 2.Scotland: free from error, inaccuracy, or falsehood Synonyms:see faithful II. adverb Etymology: Middle English lel, leel, from lel, leel, adjective Scotland: in a leal manner