<p><strong>Adjective:</strong></p><ul><li>not pure; mixed with extraneous matter, especially of an inferior or contaminating nature: impure water and air.</li><li>modified by admixture, as color.</li><li>mixed or combined with something else: an impure style of architecture.</li><li>regarded by a religion as unclean, as animals or things.</li><li>not morally pure or proper; unchaste or obscene: impure thoughts.</li></ul><p><strong>Synonyms:</strong></p><ul><li>licentious</li><li>improper</li><li>vulgar</li><li>coarse</li></ul><p><strong>Antonyms:</strong></p><ul><li>dulcet</li><li>mellow</li><li>soft</li></ul><p><strong>Definitions:</strong></p><ul><li>marked by foreign and unsuitable or objectionable elements or characteristics, as a style of art or of literary expression.</li></ul>