Search Result for "declivitous": 
Wordnet 3.0

ADJECTIVE (1)

1. sloping down rather steeply;
[syn: declivitous, downhill, downward-sloping]



The Collaborative International Dictionary of English v.0.48:

Declivitous \De*cliv"i*tous\, Declivous \De*cli"vous\, a.
   Descending gradually; moderately steep; sloping; downhill.
   [1913 Webster]


WordNet (r) 3.0 (2006):

declivitous
    adj 1: sloping down rather steeply [syn: declivitous,
           downhill, downward-sloping]