Lisl \l(i)-sl\ as a girl's name is a variant of Elizabeth (Hebrew) and Liesl (German), and the meaning of Lisl is "God's promise; God is my oath".
The baby name Lisl sounds like Lil, Lila, Lael, Lily, Lilly, Lilli, Lili and Lilla. Other similar baby names are Lise, Lisel and Lisa.