passphrase
nounUK /ˈpɑːs.freɪz/
US /ˈpæs.freɪz/
A passphrase is a secret group of words you use to keep something safe, like a password.
She typed her passphrase to unlock the secret diary app.
RELATED WORDS
OTHER MEANINGS
2. A sequence of words used as a cryptographic key to encrypt or decrypt data.
The software generated a long passphrase to protect the files.
3. A memorable sentence used to recover access to an account.
He used his favorite quote as a recovery passphrase.
4. A spoken phrase used to identify a trusted person, as in a military or spy setting.
The guard asked for the passphrase before letting them through the gate.