LISLE Meaning of LISLE in English /leel/ for 1-3; /luyl/ for 4 , n.1. See Leconte de Lisle . 2. See Rouget de Lisle . 3. former name of Lille . 4. a town in NE Illinois. 13,625. Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012