<p><strong>verb</strong></p><ul><li>(used without object) to be sunk in dejection or listless apathy; sulk; brood.</li><li>to make dejected, listless, or apathetic.</li></ul><p><strong>noun</strong></p><ul><li>a person who mopes or is given to moping.</li><li>mopes, depressed spirits; blues.</li></ul>