[ad-lib, ad-] 
verb, -libbed, -lib⋅bing, adjective | 1. | to improvise all or part of (a speech, a piece of music, etc.): to ad-lib one's lines. |
| 2. | to act, speak, etc., without preparation: Throughout the play he had to ad-lib constantly. |
| 3. | impromptu; extemporaneous: ad-lib remarks to hecklers. |
| ad-lib (ād'lĭb') v. ad-libbed, ad-lib·bing, ad-libs v. tr. To improvise and deliver extemporaneously. v. intr. To engage in improvisation, as during delivery of a speech. n. (ād'lĭb') Words, music, or actions uttered, performed, or carried out extemporaneously. adj. Uttered, performed, or carried out spontaneously. See Synonyms at extemporaneous. ad-lib'ber n. |
