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Definition of passkey

passkey

/ˈpæsˌkiː/
pass · key
Plural:passkeys
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passkey Lexical Profile

passkey Game Scores & Validity

• noun

1

A digital cryptographic credential that allows a user to sign in to a website, application, or device without entering a password, typically verified using biometrics or a device PIN.

Example

"She set up a passkey on her smartphone so she could log into her banking app using facial recognition."

2

A master key capable of opening several different locks in a building, or a private key kept by an authorized person for restricted access.

Example

"The building superintendent used a passkey to unlock the storage room on the third floor."

Synonyms
View all synonyms for passkey

• Nearby Words

passively
passiveness
passivity
passkey
passout
passover
passphrase

Cite this Entry

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