<p><strong>Noun</strong></p><ul><li>any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper.</li></ul><p><strong>Adjective</strong></p><ul><li>tending to abrade; causing abrasion; abrading.</li><li>Synonyms: rasping, rough, harsh.</li><li>tending to annoy or cause ill will; overly aggressive: an abrasive personality.</li></ul>