To compose, or simultaneously compose and perform, on the spur of the moment and without any preparation; extemporize
To repeat aloud as heard or read; recite
To express in writing; set down:
To formulate a scheme or program for the accomplishment, enactment, or attainment of:
Invent is defined as to create something for the first time, or to think up.
Find another word for ad-libs. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for ad-libs, like: improvises, fakes, rehearses, writes, plans and invents.