Synonyms for (verb) extemporise

Synonyms: ad-lib, extemporise, extemporize, improvise, improvize

Definition: perform without preparation

Usage: he extemporized a speech at the wedding

Similar words: do, perform, execute

Definition: carry out or perform an action

Usage: John did the painting, the weeding, and he cleaned out the gutters; the skater executed a triple pirouette; she did a little dance