\Hea"then*ish\, a. [AS. h[=ae][eth]enisc.] 1. Of or pertaining to the heathen; resembling or characteristic of heathens. ``Worse than heathenish crimes.'' --Milton. 2. Rude; uncivilized; savage; cruel. --South. 3. Irreligious; as, a heathenish way of living.