outdated

[out-dey-tid]
adjective
no longer in use or fashionable; out-of-date; outmoded; antiquated.

Origin:
1610–20; out- + date1 + -ed2

Dictionary.com Unabridged

outdate

[out-deyt]
verb (used with object), outdated, outdating.
to put out of date; make antiquated or obsolete: The advent of the steamship outdated sailing ships as commercial carriers.

Origin:
1640–50; probably back formation from outdated

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
outdate (ˌaʊtˈdeɪt)
 
vb
(tr) (of something new) to cause (something else) to become old-fashioned or obsolete

outdated (ˌaʊtˈdeɪtɪd)
 
adj
old-fashioned or obsolete

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

outdated
1616, "grown obsolete," from out + date (q.v.). Out-of-date is attested from 1628.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
However, unemployment remains high and outdated infrastructure has constrained
  growth.
Science continues, but library books and museum displays continue to present
  outdated information.
It's great to come across a blog every once in a while that isn't the same
  outdated rehashed information.
Ceramic noblemen vanished, however, except as symbols of outdated exploitation.
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