Find Synonyms

unauthorized Synonyms

Another word for unauthorized

Choosing another word for unauthorized that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
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• adjective (Context 1)

Not having official permission, sanction, or approval.

Usage Example

"The security system immediately alerted the administrator to an unapproved attempt to access the database."

Strongest
unapproved
unsanctioned
unlicensed
Strong
unofficial
unlawful
illegitimate
illicit
pirated

Opposites of unauthorized

The opposite of unauthorized shifts depending on context. Common opposites include:

authorized
approved
sanctioned
permitted
official
licensed
legitimate
lawful
See all opposites of unauthorized

• Nearby Words

unauspicious
unauthentic
unauthoritative
unauthorized
unavailability
unavailable
unavailing

Cite this Entry

Wordmom. (2026). Synonyms for Unauthorized. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unauthorized
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