Utiliser "unthought-of" dans une phrase

1. I find it ironic, however, that while Americans have been brought closer together in time (and space), we appear more ideologically estranged in a manner unthought-of two centuries ago

2. He looked all the astonishment which such unexpected, such unthought-of information could not fail of exciting; but he said only these two words,

3. It was meant for a blessing; for the one blessing of her life! It was meant, doubtless, as the mother herself hath told us, for a retribution too; a torture to be felt at many an unthought-of moment; a pang, a sting, an ever-recurring agony, in the midst of a troubled joy! Hath she not expressed this thought in the garb of the poor child, so forcibly reminding us of that red symbol which sears her bosom?”

4. He LOOKED all the astonishment which such unexpected, such unthought-of information could not fail of exciting; but he said only these two words,