ad lib


General English

  • verb
    (written as ad-lib)
    to speak without a prepared set of words.

Media Studies

  • noun improvised speech


  • To depart from the script and improvise. It is often resorted to in emergencies, such as the absence of an essential prop or a failure to remember the correct lines. The term derives from the Latin ad libitum, literally, at pleasure. see also busk; gag; pong.