out–of–bounds

:  outside the prescribed or conventional boundaries or limits If the Frisbee hits the ground or soars out-of-bounds, it changes hands. — John Bowermaster Only a few yards over the green are out-of-bounds markers. — Jeff Gerth Our slate is going to have edgier films that aren't exactly out-of-bounds for children, but that are really made for more sophisticated audiences. — David Hochman