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Definition of authenticator

authenticator

/ɔːˈθɛntɪˌkeɪtə/
au · then · ti · ca · tor
Plural:authenticators
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authenticator Lexical Profile

authenticator Game Scores & Validity

• noun

1

A software application, security token, or electronic device that generates time-sensitive verification codes or cryptographic credentials to confirm a user's identity when logging into a digital account or computer system.

Example

"To access the corporate network remotely, employees must enter the six-digit code displayed on their mobile authenticator."

2

A specialist, appraiser, or official who examines documents, artwork, antiques, or other items to verify and certify that they are genuine.

Example

"Before placing the painting up for auction, the gallery hired a handwriting and art authenticator to verify the artist's signature."

Synonyms
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Antonyms
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• Nearby Words

authentically
authenticate
authentication
authenticator
authenticity
author
authoress

Cite this Entry

Wordmom. (2026). Definition of Authenticator. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/authenticator
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