noun
passkey
noun
1
A key that opens multiple locks in a building, typically held by staff or management.
"The hotel manager used a passkey to open the guest's room."
2
A modern login credential tied to a specific device, used in place of a traditional password.
"The app now supports passkeys for faster, more secure sign-in."
How to Use Passkey
Learner’s notesIn plain EnglishEither a master key for doors, or (in tech) a device-based login method replacing passwords.
Easily confused with
Word Forms
passkeys plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “passkey”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The hotel manager used a _____ to open the guest's room.
Etymology
From pass and key.