infantile
in.fan.tile \'in-f*n-.ti-l, -t*l, -.te-l, -(.)til\ \.in-f*n-'til-*t-e-\ aj 1: of or relating to infants or infancy 2: suitable to or characteristic of an infant : CHILDISH of topography 3: being in a very early stage of development following an uplift or equiv alent change - in.fan.til.i.ty n