They admired my courage in going back to Altus, but made it clear they considered the trip a quixotic venture.

And art houses are not necessarily quixotic ventures destined to lose money.

Any search for violation of the Goldbach conjecture may reasonably be expected to have these odds to contend with; a quixotic venture.

And now, the 46-year-old immigrant from Italy is embarking on what will certainly be his most high-profile and, many of his colleagues suggest, quixotic venture yet.

Fueled by the drugs and music of the era, Joey embarks on a series of quixotic ventures to bring Scotsfield's ghostly voices to a larger audience.

He began to question the wisdom of his quixotic venture and to upbraid himself for not listening to the council of his two followers.

As for the campaign, it would be kinder to call it a quixotic venture that taught some worthy civic lessons.

When I was leaving Staad, my friends told me, 'Why not buy a couple of impressionist paintings instead of this quixotic venture?'

The old pragmatists naturally balked at the prospect of turning their lucrative cash-making enterprise into a quixotic venture for holy glory.

What money Robertson had been able to raise had been placed into this one quixotic venture of Harriman's.