Gridly \g-rid-ly, gr(i)-dly\ as a boy's name is a variant of Gridley (Old English), and the meaning of Gridly is "level meadow".
The baby name Gridly sounds like Gridlie and Gardell. Other similar baby names are Ardly, Bradly, Grady, Graidy, Graidey, Gradey, Greely and Ridly.