"downward" in the adjective sense
1. down, downward
extending or moving from a higher to a lower place
"the down staircase"
"the downward course of the stream"
2. downward
on or toward a surface regarded as a base
"he lay face downward"
"the downward pull of gravity"
"downward" in the adverb sense
1. down, downwards, downward, downwardly
spatially or metaphorically from a higher to a lower level or position
"don't fall down"
"rode the lift up and skied down"
"prices plunged downward"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License