sleeping car sleeping bag • sleeping carriage · · · Info · Definitions · Synonyms · Antonyms · Characters · · sleeping car · · Text Common · · Latin · · Scripts 12 · · Length Definitions · · · (noun) a passenger car that has berths for sleeping. Synonyms: sleeper, wagon-lit. · · Noun Definition 1 Synonyms · · · quiescence · · Synonym 1 quiescency · · Synonym 2 dormancy · · Synonym 3 sleeping · · Synonym 4 sleep · · Synonym 5 kip · · Synonym 6 slumber · · Synonym 7 log z's · · Synonym 8 catch some z's · · Synonym 9 dormant · · Synonym 10 Antonyms · · · waking · · Antonym 0 wake · · Antonym 1 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 r latin small letter r U+0072 s latin small letter s U+0073