Source : Webster's Revised Unabridged Dictionary (1913)

Cliffy \Cliff"y\, a.
   Having cliffs; broken; craggy.

Source : WordNet®

cliffy
     adj : (of a shore or shoreline) characterized by steep cliffs or
           precipices; "the cliffy shores of Dover" [syn: {clifflike}]
           [ant: {beachy}]