slumberer slumber • slumberful · · · Info · Definitions · Synonyms · Characters · · slumberer · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a rester who is sleeping. Synonyms: sleeper. · · Noun Definition 1 Synonyms · · · sleeper · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075