Source : Webster's Revised Unabridged Dictionary (1913)

Heathenish \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.

Source : WordNet®

heathenish
     adj : not acknowledging the God of Christianity and Judaism and
           Islam [syn: {heathen}, {pagan}, {ethnic}]