Characteristic of or befitting a baby; having features associated with a baby; baby-like.

attributive or adj. Of or belonging to an infant or infants, proper to or intended for an infant or infants; childlike; childish; infantile, as in…

Of or pertaining to infants.

= infantile, adj. 1.

Infant-like, childlike.

Of or pertaining to an infant, infants, or infancy; belonging to a person when an infant; existing in its infancy or earliest stage of development.

That is a nursling.