unthought of

Related to unthought of: unthoughtful, inadvertent

un·thought of

 (ŭn-thôt′)
adj.
Not formed in the mind; not conceived or imagined: a concept that was unthought of before the discovery of microbes.
References in classic literature ?
When we arrived at the last Inn we were to stop at, which was but a few miles from the House of Sophia's Relation, unwilling to intrude our Society on him unexpected and unthought of, we wrote a very elegant and well penned Note to him containing an account of our Destitute and melancholy Situation, and of our intention to spend some months with him in Scotland.
To help the weak, to love and forgive their enemies, was something unthought of by these fierce sea-rovers.
Here, every night, the child was too, unseen by them, unthought of, unregarded; but feeling as if they were her friends, as if they had confidences and trusts together, as if her load were lightened and less hard to bear; as if they mingled their sorrows, and found mutual consolation.
Something is wrong somewhere, but what something, what may come of it, to whom, when, and from which unthought of and unheard of quarter is the puzzle of his life.
But the sight of little Flask mounted upon gigantic Daggoo was yet more curious; for sustaining himself with a cool, indifferent, easy, unthought of, barbaric majesty, the noble negro to every roll of the sea harmoniously rolled his fine form.
The president said in his speech that the Baltic Way was the manifestation of the three Baltic nations' will for statehood, an unthought of daring that attracted the attention of the whole world.