<p><strong>Noun:</strong></p><ul><li>total or partial darkness; dimness.</li><li>a state of melancholy or depression; low spirits.</li><li>a despondent or depressed look or expression.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to appear or become dark, dim, or somber.</li><li>to look sad, dismal, or dejected; frown.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to fill with gloom; make gloomy or sad; sadden.</li><li>to make dark or somber.</li></ul>