upstreamadverb, adjective [ before noun ]
uk/ˌʌpˈstriːm/us/ˌʌpˈstriːm/(moving) on a river or stream towards its origin:
Salmon swim upstream against very strong currents to reach their breeding areas.
relating to an earlier stage in a process or series of events:
The company's upstream business includes oil exploration and production.
Thesaurus: synonyms and related words
Watercourses & waterfalls
- arroyo
- barrage
- bayou
- beck
- brook
- burn
- creek
- downriver
- Euphrates
- ghat
- gully
- headwater
- Mississippi
- rapids
- rivulet
- sluice
- spate
- upriver
- watercourse
- watershed
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You can also find related words, phrases, and synonyms in the topics:
Before, after and already
Opposite
downstream