That doesn't mean that every individual is a bit of both, or either, ad lib.

One day, however, De Beers astonished the Colonel by offering to manufacture shells, ad lib.

It consisted of a monologue delivered by the poisonous young woman to the macaw, occasionally varied by ad lib.

The general belief, in consequence, was that I had committed 'nameless' crimes in all directions, ad lib.

"I needed a job awful bad," I answered sullenly, knowing it sounded like an ad lib.

He sang the foregoing twice over and then added a chorus, plainly improvised, made up of "Di doos" and "Di dums" ad lib.