Search Result for "downward-sloping": 
Wordnet 3.0

ADJECTIVE (1)

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



WordNet (r) 3.0 (2006):

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