- infantile
- adj1. babyish, childish, Rare. childly, puerile, infantine, infant; immature, juvenile, adolescent.2. newborn, newfledged, unfledged, callow, unripe, green, raw, undeveloped, wet behind the ears; in the cradle, in swaddling clothes, in diapers, Brit. in nappies, at the breast, on the bottle.3. beginning, initial, incipient, introductory, inchoate; formative, creative, natal, nascent, incunabular.
A Note on the Style of the synonym finder. 2014.