<p><strong>Adjective</strong></p><ul><li>Gloomily dark; shadowy; dimly lighted: a somber passageway.</li><li>Synonyms: sunless, murky, dusky.</li><li>Antonyms: bright.</li><li>Dark and dull, as color, or as things in respect to color: a somber dress.</li><li>Gloomy, depressing, or dismal: a somber mood.</li><li>Synonyms: melancholy, doleful, mournful, lugubrious.</li><li>Antonyms: cheerful.</li><li>Extremely serious; grave: a somber expression on his face.</li></ul>