sleeping capsule sleeping beauty • sleeping car · · · Info · Definitions · Synonyms · Characters · · sleeping capsule · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) a soporific drug in the form of a pill (or tablet or capsule). Synonyms: sleeping pill, sleeping tablet, sleeping capsule, sleeping draught. · · Noun Definition 1 Synonyms · · · sleeping pill · · Synonym 1 sleeping tablet · · Synonym 2 sleeping draught · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075