extemporize AmE
extemporise BrE

"Basically, what I did was take the given structure and extemporize on it," he said.

She had just three years of piano instruction and could not play by ear or extemporize.

He has memorized sections of text and plans to extemporize where possible to avoid having to read.

He glanced down at the water jug on his lectern, and decided to extemporize.

She hastened to extemporize her way out of danger.

You will now extemporize for about ten minutes on the subject of civic virtue, holding them up to themselves as horrible examples.

"I'm not a public speaker, and I don't trust myself to extemporize much," she began apologetically.

I can extemporize if we get in."

Or extemporize, she certainly had the wit.

To "extemporize" or "ad lib" is basically the same as improvising.

After he had repeated all the phrases he remembered six or eight times, he began to extemporize.

He ignored prepared advertising copy, preferring to extemporize.

Well then, says heaven's warder, extemporize somewhat.

She scrapped her prepared remarks on global competitiveness to extemporize on reasons why their future labor force, today's children, needed strong advocates.

The S.W. allows us to extemporize and do what the assignment calls for."

"You can't extemporize in the theater," Mr. Henderson said.

Extemporize on him.

Beats jam, improvise, extemporize, blow ethereal notes into the universe, write poetry, ramble and wreck cars.

"I don't know myselL This whole thing has been rush and extemporize and pulled together at the last minute.

And at times like the John F. Kennedy Jr. plane crash, the TV anchors have to extemporize for hours.

For all his reputation as the Great Communicator, President Reagan, mellifluous with a prepared statement, often bumbled into incoherence when required to extemporize.

But we've never been given a dedicated amphibious lift and so we're having to extemporize: we're using every swinish dodge I know to move our Marines about.

They attend at public rejoicings, and at births, deaths, and marriages of great personages, upon which occasions they extemporize their songs according to circumstances.

'Can't he extemporize?'

'Don't extemporize, Sparhawk.