passkey: meaning, definition, pronunciation and examples
LowFormal / Technical
Quick answer
What does “passkey” mean?
A physical key or device that grants access to a restricted area.
Audio
Pronunciation
Definition
Meaning and Definition
A physical key or device that grants access to a restricted area.
In computing, a secret code or token used to authenticate a user and grant access to a digital account, system, or service, often generated by an application and distinct from a traditional password.
Dialectal Variation
British vs American Usage
Differences
No major differences in meaning. The term 'passkey' for digital authentication is equally used in both tech communities.
Connotations
The physical sense ('skeleton key') feels slightly more archaic in both varieties.
Frequency
Low frequency in general use, but its use in tech contexts is growing in both regions.
Grammar
How to Use “passkey” in a Sentence
[VERB] + passkey + [PREP] + [NOUN] (e.g., use a passkey for the account)[POSSESSIVE] + passkey + [VERB] (e.g., my passkey expired)Vocabulary
Collocations
Usage
Meaning in Context
Business
Used in IT security policies regarding access control to corporate systems.
Academic
Appears in computer science literature on authentication protocols.
Everyday
Rare in casual conversation; used when discussing phone/computer login methods.
Technical
Central term in FIDO2/WebAuthn standards for passwordless authentication.
Watch out
Common Mistakes When Using “passkey”
- Confusing 'passkey' with 'password' (a passkey is a cryptographic key pair, not a memorised secret).
- Using it as a verb (e.g., 'I will passkey the system' is incorrect).
FAQ
Frequently Asked Questions
No. A passkey uses cryptographic key pairs (one public, one private) for authentication, is resistant to phishing, and doesn't require you to memorise or type it.
They are typically stored securely on your personal devices (phone, computer) or in a cloud-based password manager synced across your trusted devices.
It is much harder. The private key never leaves your device and isn't shared with the website. A hacker stealing a website's database wouldn't get usable passkeys.
You should have a recovery method set up, such as other trusted devices syncing via the cloud, or backup codes provided by the service.
A physical key or device that grants access to a restricted area.
Passkey is usually formal / technical in register.
Passkey: in British English it is pronounced /ˈpɑːs.kiː/, and in American English it is pronounced /ˈpæs.kiː/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for 'passkey']”
Learning
Memory Aids
Mnemonic
Think 'PASS the KEY' to the door of your account.
Conceptual Metaphor
A KEY is a MEANS OF ACCESS (applied to both physical and digital realms).
Practice
Quiz
What is a primary characteristic of a modern digital passkey?