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unauthorized

[uhn-aw-thuh-rahyzd] /ʌnˈɔ θəˌraɪzd/
adjective
1.
lacking permission; unsanctioned:
unauthorized access.
2.
lacking proper immigration or working papers: an unauthorized worker;
an unauthorized immigrant.
Origin of unauthorized
1595-1600
First recorded in 1595-1600; un-1 + authorized
Usage note
2. See illegal alien.
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for unauthorized

unauthorized

/ʌnˈɔːθəˌraɪzd/
adjective
1.
not having official permission
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
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Word Origin and History for unauthorized
adj.

1590s, from un- (1) "not" + past participle of authorize.

Online Etymology Dictionary, © 2010 Douglas Harper
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