Verb (used with object) : Unthink your thoughts.    From Dictionary.com. 

No, experts do not always have the right answers, but more often can bring those questions that otherwise would go "unthought".    From Wordnik.com.  [GraniteGrok] Reference

O king, unthought of evils, befall a man from dice!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

When I was growing up that would have been unthought of.    From Wordnik.com.  [Oral History Interview with Jerry Plemmons, November 10, 2000. Interview K-0506. Southern Oral History Program Collection (#4007)] Reference

But now a new and before unthought of difficulty faced her.    From Wordnik.com.  [Eveline Mandeville The Horse Thief Rival] Reference

He feared he knew: one more thing better left unthought about.    From Wordnik.com.  [Advance and Retreat]

Was not this a strange act and a display of unthought of grace?.    From Wordnik.com.  [The Riches of Bunyan] Reference

Of relaxation there was little, and recreation was unthought of.    From Wordnik.com.  [The New England Magazine Volume 1, No. 3, March, 1886 Bay State Monthly Volume 4, No. 3, March, 1886] Reference

The prominent points of present civilization were yet unthought of.    From Wordnik.com.  [The Prehistoric World; or, Vanished races] Reference

Combinations and situations unthought of by other painters are here.    From Wordnik.com.  [Barbara's Heritage Young Americans Among the Old Italian Masters] Reference

The principles of self-mastery were unthought; they had been untaught.    From Wordnik.com.  [Our Nervous Friends — Illustrating the Mastery of Nervousness] Reference

But just because they were unasked did not mean they would be unthought.    From Wordnik.com.  [Lord of Chaos]

Replanting is unthought of and the young trees are treated as a nuisance.    From Wordnik.com.  [History of California] Reference

The most unthought-of places, the old deserted mines, were found to be bonanzas.    From Wordnik.com.  [The Transformation of Job A Tale of the High Sierras] Reference

That's unthought of in any planning that I'd ever heard to do with these men and women.    From Wordnik.com.  [CNN Transcript Jul 7, 2004] Reference

Who today, invoking the words "9/11" does not contribute to the delay of the unthought?.    From Wordnik.com.  [Jacques Derrida, 9/11, And The Democracy Which is Yet to Come] Reference

They are grotesquely gnarled and twisted, taking most unthought-of shapes and positions.    From Wordnik.com.  [Lippincott's Magazine, Vol. 26, August, 1880 of Popular Literature and Science] Reference

“Filth,” she rasped in the voice that refused to be unthought as she lunged at the tree.    From Wordnik.com.  [The Orangery] Reference

We call instinctive those immediate, unthought reactions which are the same with all mankind.    From Wordnik.com.  [Applied Psychology for Nurses] Reference

Hark! booming from unthought-of depths, a roar rolls up in majestic waves of echoing thunder.    From Wordnik.com.  [The Atlantic Monthly, Volume 07, No. 39, January, 1861] Reference

FAUCI: That's something that was just essentially unthought of or unheard of with other viruses.    From Wordnik.com.  [CNN Transcript Aug 12, 2001] Reference

Again, I mean that's the only word that keeps coming to my mind, unheard of and also unthought of.    From Wordnik.com.  [CNN Transcript Oct 19, 2005] Reference

Most of us in the evening discovered, unpleasantly enough, forgotten pears in unthought-of pockets.    From Wordnik.com.  [Adventures of a Despatch Rider] Reference

Aunt Melissa disappears into her gloom-days but rarely, and has smiling hours unthought in the past.    From Wordnik.com.  [Our Nervous Friends — Illustrating the Mastery of Nervousness] Reference

They stopped, in despair, as this phase of their situation, unthought of till now, was brought home to them.    From Wordnik.com.  [The Raid on the Termites] Reference

This brought up so many unthought-of implications that the Observer was almost dazed at the new Unknowns opening up.    From Wordnik.com.  [The Nitrogen Fix]

Questions, unthought of originally when Paul Koslov had been sent into the U.S.S.R., arose as the movement progressed.    From Wordnik.com.  [Revolution] Reference

Ike operated on a scale that is simply unthought of today and took responsibility, an enormous scale and took it fully.    From Wordnik.com.  [CNN Transcript Nov 5, 2007] Reference

These flowers foretell the renewal of a former friendship which is brought about by means of an unthought-of meeting.    From Wordnik.com.  [Telling Fortunes By Tea Leaves] Reference

All this gives a pleasure and an ideality, hitherto unthought of, to the business of providing sustenance for my family.    From Wordnik.com.  [The Atlantic Monthly, Volume 18, No. 105, July 1866] Reference

The motor boat, and monument in the centre, foretell the successful outcome of a new venture, which at present is unthought-of.    From Wordnik.com.  [Telling Fortunes By Tea Leaves] Reference

An unexpected and fortunate discovery, giving you much pleasure and satisfaction, possibly wealth and unthought-of prosperity.    From Wordnik.com.  [Telling Fortunes By Tea Leaves] Reference

The news of so unthought of an event both surprised and edified the whole country; many even imitated the example of the governor.    From Wordnik.com.  [The Lives of the Fathers, Martyrs, and Principal Saints January, February, March] Reference

They are, indeed, educators of the highest character, and they stimulate to excellence unthought of by most farmers, ten years ago.    From Wordnik.com.  [Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside] Reference

If it had not been for that one unthought-of thread -- Larssen's scheme to use me dead or alive -- I should never have come back.    From Wordnik.com.  [Swirling Waters] Reference

In terms of the White House staff itself, are they aware of the fact they look absolutely unthought out and unresolved on this issue?.    From Wordnik.com.  [CNN Transcript Feb 22, 2007] Reference