• Webster's Revised Unabridged Dictionary
    • v. t Unauthorize To disown the authority of; to repudiate.
    • ***


Webster's Revised Unabridged Dictionary
1st pref. un-, + authorize,


In literature:

She demanded to know the cause of his unauthorized intrusion.
"The Best of the World's Classics, Vol. V (of X) - Great Britain and Ireland III" by Various
He wasn't accustomed to taking orders from some joker that barged in and shot an unauthorized landing.
"The Best Made Plans" by Everett B. Cole
We'll go into the matter of unauthorized personnel on the bridge later.
"Greylorn" by John Keith Laumer
He saw to it that no person unauthorized entered the camp.
"Our Casualty And Other Stories" by James Owen Hannay, AKA George A. Birmingham
Anna stood him down on his feet and gave him one good, if unauthorized, shake for all the kicks she had received.
"In the Mist of the Mountains" by Ethel Turner
It is the unauthorized work of the officers whose commissions perhaps depend upon their keeping full ranks.
"Letters from Port Royal" by Various
It would, she averred, be presumption in her to take a single step unauthorized by them.
"Shirley" by Charlotte Brontë
A tolerant but apparently unauthorized act of the chancellor furnished the occasion.
"History of the Rise of the Huguenots" by Henry Baird
He could easily have had time to get unauthorized items out of supply.
"Jack of No Trades" by Charles Cottrell
But all of them swear no unauthorized personnel got into the warehouses.
"The Scarlet Lake Mystery" by Harold Leland Goodwin

In news:

Mark Flaming awarded $9,346 after proving unauthorized credit card use.
We also take very seriously any unauthorized distribution of our copyrighted GMAT preparation materials.
A state prosecutor has resigned after revelations he received unauthorized correspondence from the chemist at the center of a state drug lab testing scandal.
Unauthorized Practice of Law Presentation by Chip Mortimer (PDF).
PHMSA Safety Advisory on Unauthorized Marking of Compressed Gas Cylinders.
Innovation First International, maker of Hexbugs, collaborated with UK customs officials to seize and destroy unauthorized copies of its Hexbug Nano product at the port of Southampton.
Police have identified a man and woman wanted in connection with the theft and unauthorized use of a stolen debit card with help from the public.
The Devil 's in the Side Effects Geoengineering solutions to climate change are dangerous, especially when unauthorized.
A woman whose mother allegedly murdered three people during her own exorcism travels to Rome to attend a number of unauthorized exorcisms.
School funds were used to purchase gifts cards, alcohol and other unauthorized items auditor finds.
Candy Harrison of Denton was distressed to have her bank account zeroed recently by an unauthorized and incorrect debit from AT&T.
This "unauthorized parody" of the Oscar-winning thriller is receiving a take-no-prisoners L.A.
The Minnesota Department of Transportation reminds citizens that placing unauthorized signs and other objects on state highway right of way is illegal and can distract drivers and obstruct their vision.
Placing campaign signs and unauthorized objects in state highway rights of way are banned in Minnesota.
In the past, a publisher's Digital Rights Management system would create a wall to prevent unauthorized readers (e.g.

In science:

All the systems given below have implemented security at various levels to secure data from unauthorized use.
Thin Client Web-Based Campus Information Systems for Fiji National University
In an open system, all form of information should be protected by appropriate controls against unauthorized access, or alteration, disclosure or destruction and against accidental loss or destruction, and eliminates the need to access customer property.
Grid Information Security Functional Requirement - Fulfilling Information Security of a Smart Grid System
Should an attacker successfully obtain a public-key through an unpatched security vulnerability, they would be unable to use that public-key to gain further unauthorized access.
KeyAuth: Bringing Public-key Authentication to the Masses
Some SSO flaws have even been found to allow attackers unauthorized access without obtaining any passwords.
KeyAuth: Bringing Public-key Authentication to the Masses
Cryptography is the art of rendering a message unintelligible to any unauthorized party.
Quantum Cryptography