babyish — (adj.) 1753, from BABY (Cf. baby) (n.) + ISH (Cf. ish). Earlier in same sense was babish (1530s) … Etymology dictionary
babyish — ba|by|ish [ˈbeıbi ıʃ] adj like a baby or suitable for a baby ▪ The games were a little babyish for nine year olds … Dictionary of contemporary English