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password

n. · v.
US //ˈpæsˌwɝd// UK //pˈɑːswɜːd// pass·word
  1. 1 computing and digital access (n.)
    A1 Beginner Computing

    a secret string of letters, numbers, or symbols used to log in to a computer, website, or app.

    a sequence of characters used to authenticate a user's identity for access to a computer system, network, or digital account.

    Example

    You should never share your email password with anyone else.

    Example

    The system administrator enforced a policy requiring a complex password that included uppercase letters, numbers, and special characters.

    Usage

    Often used with the verbs 'enter', 'reset', or 'change'.
  2. 2 physical entry (n.)
    B1 Intermediate Military

    a secret word or phrase you must say to a guard or person to be allowed into a place.

    a prearranged word or phrase used to gain admittance to a restricted area or to identify oneself to a sentry.

    Example

    The guard asked for the password before opening the gate to the camp.

    Example

    In the historical drama, the resistance members used a changing daily password to ensure no spies could enter their secret meeting room.
    • countersign
    • watchword
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  1. 3 to protect with a code (v.)
    B2 Upper Intermediate Technical Computing

    to protect a file or device by requiring a secret code to open it.

    to secure a digital file, directory, or device by implementing password protection.

    Example

    I decided to password the document so that only my manager could read it.

    Example

    The software allows users to password individual folders, providing an extra layer of security for sensitive financial data.

    Usage

    This transitive verb is often used in the past participle form 'passworded'.
Origin

From pass + word. The sentry-passing sense predates the cryptographic sense and was its inspiration.

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