[dis-awr-ee-ent, -ohr-]
verb (used with object)
to cause to lose one's way: The strange streets disoriented him.
to confuse by removing or obscuring something that has guided a person, group, or culture, as customs, moral standards, etc.: Society has been disoriented by changing values.
Psychiatry. to cause to lose perception of time, place, or one's personal identity.

1645–55; < French désorienter, equivalent to dés- dis-1 + orienter to orient

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To disorient
World English Dictionary
disorientate or disorient (dɪsˈɔːrɪənˌteɪt)
1.  to cause (someone) to lose his bearings
2.  to perplex; confuse
disorient or disorient
disorien'tation or disorient

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

1650s, from Fr. désorienter, from dés- "dis-" (see dis-) + orienter (see orient (v.)). Related: Disoriented; disorienting.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
They help to orient the reader or sometimes, with intent, to disorient.
Researchers are trying to make a flashlight that would enable police to
  disorient or nauseate somebody they are trying to catch.
Loud music, fog, strobe lights and dark areas are used to disorient guests.
One has to trust him, even while realizing that one of his methods of operation
  is to disorient us as thoroughly as possible.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature