SLUMBER Meaning of SLUMBER in English I . v. n. 1.Sleep ( lightly ), doze, nap, snooze.2.Sleep, repose. II . n. 1.Sleep ( not deep or profound ), repose, rest, doze, nap, light sleep.2.Sleep, repose, rest. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012