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Word of the Day Tuesday, June 9, 2026

authenticator

/ˌɔːθənˈtɪfɪkənt/ noun · British & US
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What does authenticator mean?

noun

A device or system that verifies the authenticity of something, especially a password or a digital signature. An authenticator can be a physical token, a software application, or a biometric system.

Example

"The company uses a two-factor authenticator to protect its users' accounts."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for authenticator

Rhymes with authenticator

Etymologically related