# passkey

> English word · Noun

## Definitions
1. A key, especially in a hotel, that allows someone in authority to open any door.
2. A key for entering a house or other building.
3. A cryptographic key that is tied to specific devices or cloud accounts and is meant to be used instead of a password.
4. Synonym of password.

## Etymology
From pass + key.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/passkey