morning sickness morning room • morning star · · · Info · Definitions · Characters · · morning sickness · · Text Common · · Latin · · Scripts 16 · · Length 4 · · Syllables Definitions · · · (noun) nausea early in the day; a characteristic symptom in the early months of pregnancy. Synonyms: morning sickness. · · Noun Definition 1 Characters · · space U+0020 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 k latin small letter k U+006B m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073