26984 words

upstream

4 definitions • 4 examples
1
(moving) on a river or stream towards its origin:

Examples:

Salmon swim upstream against very strong currents to reach their breeding areas.
2

Examples:

The company's upstream business includes oil exploration and production.
3
against the current toward the starting point of a river:

Examples:

Rowing upstream was hard going.
4
relating to something that happens earlier in a process or series of events:

Examples:

The company's upstream business includes oil exploration and production.

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