Definition of 'ad-lib'
- remark made spontaneously without prior preparation; "his ad-libs got him in trouble with the politicians"
- perform without preparation; "he extemporized a speech at the wedding"
Synonyms: improvise improvize extemporize extemporise
- said or done without having been planned or written in advance; "he made a few ad-lib remarks"
Synonyms: spontaneous unwritten
- with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a few unrehearsed comments"
Synonyms: extemporaneous extemporary extempore impromptu offhand offhanded off-the-cuff unrehearsed