Thesaurus
Synonyms & Antonyms of unauthorized
without permission; not authorized
- an unauthorized use of government vehicles
- Unauthorized personnel are not allowed in the building.
Synonyms & Near Synonyms for unauthorized
- banned,
- barred,
- forbidden,
- impermissible,
- interdicted,
- outlawed,
- prohibited,
- proscribed,
- taboo
- (also tabu),
- verboten
Antonyms & Near Antonyms for unauthorized
- accepted,
- accredited,
- allowed,
- appropriate,
- approved,
- authorized,
- certified,
- endorsed
- (also indorsed),
- lawful,
- legal,
- legitimate,
- licensed,
- OK
- (or okay),
- permitted,
- warranted
Learn More About unauthorized
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 2 Dec. 2021.
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Time Traveler for unauthorized
The first known use of unauthorized was in 1597
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