All rehearse antonyms
re·hearse
R r verb rehearse
- extemporise — (intransitive) To do something, particularly to perform or speak, without prior planning or thought; to act in an impromptu manner; to improvise.
- extemporize — Compose, perform, or produce something such as music or a speech without preparation; improvise.
- improvisate — To improvise; to extemporize.
- ad-lib — If you ad-lib something in a play or a speech, you say something which has not been planned or written beforehand.