babyish,a.|ˈbeɪbɪɪʃ| [f. baby n. + -ish.] Childish, simple, silly. 1753Richardson Grandison (1820) I. xv. 96 To me she has a babyish look, especially when she smiles.1868G. Duff Pol.Surv. (1868) 159 Too babyish to deserve even the semblance of consideration.