noun, plural tau·tol·o·gies.
- a compound propositional form all of whose instances are true, as “A or not A.”
- an instance of such a form, as “This candidate will win or will not win.”
Examples from the Web for tautology
Mainly because it is, as my annoying college roommate would term it, a tautology.The State of the Union Should Be More Like the Super Bowl|Kevin Bleyer|February 1, 2014|DAILY BEAST
It is tautology, for two sentences further on it is all expressed in its proper place, in referring to the history of the king.Junius Unmasked|Joel Moody
He utterly despised the avoidance of repetitions out of fear of tautology.Literary Friends And Acquaintances|William Dean Howells
When they grow up and have ideas which are beyond their powers of expression, especially in writing, tautology begins to appear.Cratylus|Plato
He doth likewise the same thing, is a tautology characteristic of the writer: il fet meismes ceste chose, F.
Wraxall panegyrizes him, and yet with a tautology of terms, which must have been the very reverse of Dunning's style.
British Dictionary definitions for tautology
noun plural -gies
Word Origin for tautology
Word Origin and History for tautology
1570s, from Late Latin tautologia "representation of the same thing," from Greek tautologia, from tautologos "repeating what has been said," from tauto "the same" + -logos "saying," related to legein "to say" (see lecture (n.)).