verb (used with object), an·ti·quat·ed, an·ti·quat·ing.
Origin of antiquate
1400–50; late Middle English antiquat old < Medieval Latin antīquātus old, ancient, past participle of antiquāre to put in an earlier state, verbal derivative of Latin antīquus; see antique
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
to make obsolete or old-fashioned
to give an old or antique appearance to
Word Origin for antiquate
C15: from Latin antīquāre to make old, from antīquus ancient
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
1640s, from Late Latin antiquationem (nominative antiquatio), noun of action from past participle stem of antiquare (see antique (adj.)).
Online Etymology Dictionary, © 2010 Douglas Harper