<p><strong>Adjective</strong></p><ul><li>extraordinary; remarkable; exceptional: a singular success.</li><li>unusual or strange; odd; different: singular behavior.</li><li>being the only one of its kind; distinctive; unique: a singular example.</li><li>separate; individual.</li></ul><p><strong>Noun</strong></p><ul><li>the singular number.</li><li>a form in the singular.</li></ul>