ad lib: Meaning and Definition of

ad lib

Pronunciation: (ad lib', ad'), [key]
  1. something improvised in speech, music, etc.: Was that joke part of your speech or an ad lib?
  2. at one's pleasure; without restriction.
  3. freely; as needed; without stint: Water can be given to the patients ad lib.


Pronunciation: (ad lib', ad'-), [key]
— v., adj. -libbed, -lib•bing,
  1. to improvise all or part of (a speech, a piece of music, etc.): to ad-lib one's lines.
  1. to act, speak, etc., without preparation: Throughout the play he had to ad-lib constantly.
  1. impromptu; extemporaneous: ad-lib remarks to hecklers.

ad lib.

Pronunciation: [key]
  1. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.