<p><strong>Adjective:</strong></p><ul><li>not clean; dirty.</li></ul><p><strong>Synonyms:</strong></p><ul><li>filthy</li><li>morally impure; evil; vile: unclean thoughts.</li><li>polluted</li><li>corrupt</li><li>sinful</li><li>unchaste</li><li>base</li></ul><p><strong>Definitions:</strong></p><ul><li>Chiefly Biblical: having a physical or moral blemish so as to make impure according to the laws, especially the dietary or ceremonial laws: an unclean animal; unclean persons.</li></ul>