WordNet: declivitous, downhill, downward-sloping

sloping down rather steeply

• similar to descending

declivitous

• (englanti) declivity (derivationally related)
• (suomi) kalteva (synonyymi)

downhill

• (englanti) downhill (derivationally related)
• (suomi) viettävä (synonyymi)

downward-sloping

• (suomi) jyrkkä (synonyymi)