<p><strong>Noun</strong></p><ul><li>a gloomy state of mind, especially when habitual or prolonged; depression.</li></ul><p><strong>Synonyms</strong></p><ul><li>despondency</li><li>dejection</li><li>sadness</li></ul><p><strong>Antonyms</strong></p><ul><li><p>happiness</p></li><li><p>cheer</p></li><li><p>sober thoughtfulness; pensiveness.</p></li></ul><p><strong>Synonyms</strong></p><ul><li>seriousness</li></ul><p><strong>Archaic</strong></p><ul><li>the condition of having too much black bile, considered in ancient and medieval medicine to cause gloominess and depression.</li><li>black bile.</li></ul><p><strong>Adjective</strong></p><ul><li>affected with, characterized by, or showing melancholy; mournful; depressed: a melancholy mood.</li></ul><p><strong>Synonyms</strong></p><ul><li><p>downcast</p></li><li><p>glum</p></li><li><p>doleful</p></li><li><p>dismal</p></li><li><p>dispirited</p></li><li><p>blue</p></li><li><p>despondent</p></li><li><p>gloomy</p></li><li><p>sorrowful</p></li><li><p>causing melancholy or sadness; saddening: a melancholy occasion.</p></li></ul><p><strong>Antonyms</strong></p><ul><li><p>happy</p></li><li><p>soberly thoughtful; pensive.</p></li></ul><p><strong>Synonyms</strong></p><ul><li>serious</li></ul>