- to improvise all or part of (a speech, a piece of music, etc.): to ad-lib one's lines.
- to act, speak, etc., without preparation: Throughout the play he had to ad-lib constantly.
- impromptu; extemporaneous: ad-lib remarks to hecklers.
Origin of ad-lib
- something improvised in speech, music, etc.: Was that joke part of your speech or an ad lib?
- at one's pleasure; without restriction.
- freely; as needed; without stint: Water can be given to the patients ad lib.
Origin of ad lib
Related Words for ad-libimprovise, extemporize, impromptu, improvised, invent, extemporaneous, extempore, made-up, spontaneous, unprepared, unrehearsed, off-the-cuff, extemporaneously, spontaneously
Examples from the Web for ad-lib
Contemporary Examples of ad-lib
They told me to forget the script because I was going to have to ad-lib everything.Charlie Brotman, Announcer of Presidential Inaugurals Since Truman’s
January 17, 2013
- to improvise and deliver without preparation (a speech, musical performance, etc)
- improvised; impromptu
- without restraint; freely
- music short for ad libitum
- an improvised performance, often humorous
Word Origin for ad-lib
1811, shortened from Latin ad libitum "at one's pleasure, as much as one likes" (c.1600), from libere "to please" (see libido). First recorded as one word 1919 (v.), 1925 (n.).
- ad libitum (freely, as desired)