Main Entry: tau·tol·o·gy

Pronunciation: \tȯ-ˈtä-lə-jē\

Function: noun

Inflected Form(s): plural tau·tol·o·gies

Etymology: Late Latin tautologia, from Greek, from tautologos

Date: 1574

1 a : needless repetition of an idea, statement, or word b : an instance of tautology
2 : a tautologous statement