[ out-deyt ]
/ ˌaʊtˈdeɪt /
verb (used with object), out·dat·ed, out·dat·ing.
to put out of date; make antiquated or obsolete: The advent of the steamship outdated sailing ships as commercial carriers.
Origin of outdate
First recorded in 1640–50; probably back formation from outdated
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for outdate
/ (ˌaʊtˈdeɪt) /
(tr) (of something new) to cause (something else) to become old-fashioned or obsolete
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012