upstream
/ʌpˈstriːm/
adverb
- In the direction opposite to the flow of a river or stream; toward the source.
- We paddled upstream for two hours before stopping for lunch.
- The current was too strong to travel upstream easily.
- The salmon swim upstream to spawn.
- In the earlier stages of a process or supply chain; closer to the origin.
- The company is investing in upstream oil exploration.
- Problems upstream in the manufacturing process caused delays.
- We need to look upstream to find the root cause of the issue.
Synonyms
Antonyms
noun
- The part of a river or stream that is closer to its source.
- The fish migrated to the upstream to lay eggs.
- The upstream is shallower and rockier than the downstream.
- We explored the upstream of the river on our hike.
adjective
- Located or moving in the direction opposite to the flow of a river or stream.
- They built a dam at the upstream end of the valley.
- The upstream village had cleaner water than the one downstream.
- Upstream winds carried the smoke away from the city.
- Relating to the earlier stages of a process or supply chain.
- Upstream suppliers must meet strict quality standards.
- Upstream costs include raw materials and transportation.
- The company focuses on upstream research and development.
Antonyms