upstream
up|stream /'ʌpstr'iːm/
[ADV] ADV after v, be ADV, n ADV, oft ADV of/from n
Something that is moving upstream is moving towards the source of a river, from a point further down the river. Something that is upstream is towards the source of a river.
The water rose high enough for them to continue upstream.
...the river police, whose headquarters are just upstream of the Isle St Louis...
≠ downstream
[ADJ] ADJ n
Upstream is also an adjective.
Steps lead down to the subway from the upstream side.
≠ downstream
[ADV] ADV after v, be ADV, n ADV, oft ADV of/from n
Something that is moving upstream is moving towards the source of a river, from a point further down the river. Something that is upstream is towards the source of a river.
The water rose high enough for them to continue upstream.
...the river police, whose headquarters are just upstream of the Isle St Louis...
≠ downstream
[ADJ] ADJ n
Upstream is also an adjective.
Steps lead down to the subway from the upstream side.
≠ downstream