unauthorised vs unauthorized

Both 'unauthorised' and 'unauthorized' are correct spellings, but they differ in usage based on regional preferences. 'Unauthorised' is the British English spelling, while 'unauthorized' is the American English spelling.

Last updated: March 27, 2024 • 1607 views

unauthorised

This is the British English spelling of the word.

Use 'unauthorised' in British English to describe something that is not officially approved or permitted.

Show examples from the web [+]

Security of public networks against unauthorised access according to Directive 97/66/EC.
3 preventing unauthorised access to ships, port facilities and their restricted areas;.
No unauthorised persons may enter the quarantine facility.
It prevents the unauthorised reproduction of banknotes.
3 measures for the prevention of unauthorised access to the ship;.
4 unauthorised access or use, including presence of stowaways;.
Buildings housing EU classified information or secure communication and information systems shall be protected against unauthorised access.
Liability for unauthorised or incorrect processing of data
National legislation in some Member States only prohibits intentional unauthorised access to communications.
The procedural code for investigations should spell out the consequences of unauthorised dissemination of information.
This constituted an unauthorised change of use and a change of ownership.
Buildings housing EUCI or secure communication and information systems shall be protected against unauthorised access.
I cannot participate in an unauthorised communication.
We believe unauthorised access was made six days ago.
Gentlemen, this is an unauthorised festivity.
I did, in Lubyanka Prison where he's under military arrest for permitting an unauthorised flight.
Thought I saw unauthorised personnel on the monitor.
Article 3 of our proposal defines unauthorised access to an information system as an offence.
After the hunger strike he was charged with carrying out an unauthorised protest.
The procedural code for OLAF investigations should spell out the consequences of unauthorised dissemination of information.

Alternatives:

not authorized

unauthorized

This is the American English spelling of the word.

Use 'unauthorized' in American English to describe something that is not officially approved or permitted.

Show examples from the web [+]

This facility's off limits to unauthorized personnel.
But I have another unauthorized message.
Especially after his little unauthorized escapade in Belgrade.
Network security detected an unauthorized electronic transmission.
We found unauthorized pills in Connor Rutnam's bed.
He has unauthorized security cameras hidden in the bathrooms.
Passing confidential documents to unauthorized personnel.
Sending subversive communications on an unauthorized channel.
All unauthorized personnel, please exit.
Classified data is being copied onto an unauthorized drive.
The rules are simple: no unauthorized mind-scans...
All unauthorized personnel, exit Area 6 immediately.
No unauthorized personnel beyond this point, ma'am.
Spending government money on unauthorized missions.
Conducting an unauthorized surveillance operation and taking home classified documents.
That's unauthorized wire-tap of a Federal official.
An unauthorized vehicle has just pulled in.
An unauthorized vehicle has just pulled in.
Security cams didn't catch any unauthorized visitors coming or going.
Help with your unauthorized prison break?

Alternatives:

not authorized

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unauthorised vs unauthorized

unauthorised

unauthorized

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