Synonyms and antonyms of Upstream and downstream in American Thesaurus

downriver (adjective)

at or toward a place that is farther along a river as it flows in the direction of the ocean

downstream (adverb)

in the direction that a river or stream is flowing

downstream (adjective)

in a position farther along a river or stream as it flows in the direction of the ocean

up (adjective)

moving along a river in the opposite direction that the water is flowing, or at a point along it in this direction

upriver (adverb)

in the opposite direction to the way a river flows

upstream (adverb)

in the opposite direction to the way a river or stream flows