- to speak extemporaneously: He can extemporize on any of a number of subjects.
- to sing, or play on an instrument, composing the music as one proceeds; improvise.
- to do or manage something in a makeshift way.
- to make or devise extempore.
- to compose offhand; improvise.
- to perform, speak, or compose (an act, speech, piece of music, etc) without planning or preparation
- to use (a temporary solution) for an immediate need; improvise
