1. 
[syn: heathen, heathenish, pagan, ethnic]
The Collaborative International Dictionary of English v.0.48:
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.
      [1913 Webster]
   2. Rude; uncivilized; savage; cruel. --South.
      [1913 Webster]
   3. Irreligious; as, a heathenish way of living.
      [1913 Webster]
WordNet (r) 3.0 (2006):
heathenish
    adj 1: not acknowledging the God of Christianity and Judaism and
           Islam [syn: heathen, heathenish, pagan, ethnic]