Entry 1 sense Webster, 1913 Willy nilly /wĭl'-ē nĭl'-ē/ · Wil·ly nil·ly · IPA 01 Whether I (he, she, they) want to or not. See Will I, nill I, etc., under 3d Will. 1. Whether I (he, she, they) want to or not. See Will I, nill I, etc., under 3d Will. See: Will