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Use "unrecognised" in a sentence
"Madrid occupied and begirt by forty thousand armed strangers, his title unrecognised by Murat, his weak understanding and tumultuous passions worked upon incessantly by the malicious craft of Savary,"
"Not really a related point, but germane to the closeness of politicians to the BBC, is the spread of the perfectly respectable word "resile" meaning 'recoil' - a word unrecognised by Microsoft Word."
"When, however, helium itself came under observation in 1907, it proved to be quite different from the object before observed, so we dubbed the unrecognised object Occultum, until orthodox science shall find it and label it in proper fashion."