newborn baby newborn • newborn infant · · · Info · Definitions · Synonyms · Characters · · newborn baby · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) a baby from birth to four weeks. Synonyms: neonate, newborn, newborn infant, newborn baby. · · Noun Definition 1 Synonyms · · · neonate · · Synonym 1 newborn · · Synonym 2 newborn infant · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 w latin small letter w U+0077 y latin small letter y U+0079