password

/ˈpæsˌwɜrd/
noun
  1. A secret word or phrase that must be entered to gain access to a computer system, online account, or device.
    • She changed her password after the security breach.
    • Please enter your password to log into the website.
    • Make sure your password is at least eight characters long.
  2. A secret word or phrase used to identify oneself to a guard, sentry, or member of a group.
    • The spy gave the correct password to enter the hideout.
    • The club members used a password to keep strangers out.
    • Soldiers were instructed to challenge anyone who did not know the password.
Synonyms