adjective
- no longer in use or fashionable; out-of-date; outmoded; antiquated.
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- to put out of date; make antiquated or obsolete: The advent of the steamship outdated sailing ships as commercial carriers.
adjective
- old-fashioned or obsolete
verb
- (tr) (of something new) to cause (something else) to become old-fashioned or obsolete
adj.also out-dated, 1610s, “grown obsolete,” from out + past participle of date (v.1). Out-of-date is attested from 1610s.