Upstream
/ʌpˈstrim/
Definitions
3 meaningsSituated or moving in the direction against the flow of a river or stream.
/ʌpˈstrim/
Located or moving in the direction from which a stream or river flows.
The new dam will affect the upstream environment.
💡 Simply: Imagine a river. If you're going upstream, you're going towards where the river starts, not towards the ocean. It's like swimming against the flow!
👶 For kids: Going the way the water came from, like going to the beginning of a river.
More Examples
The oil spill originated upstream from the town.
How It's Used
"The upstream portion of the river is less polluted."
"We need to check the upstream flow of the water."
Toward the source of a river or stream.
/ʌpˈstrim/
In the direction from which a stream or river flows.
They began to row upstream against the strong current.
💡 Simply: Imagine paddling your kayak. If you're going upstream, you're heading away from the ocean and toward the source of the river. It's a direction!
👶 For kids: Going the way the water goes to get to the beginning of a river.
More Examples
The investigation needs to go upstream to find the cause of the malfunction.
How It's Used
"The boat sailed upstream for several hours."
"We have to go upstream to find out where the problem started."
The part of a stream or river that is further toward its source, or the direction toward the source. Often used figuratively to refer to processes or entities that come before a specific point in a sequence.
/ʌpˈstrim/
A location or area upstream from a particular point.
The environmental impact was assessed both upstream and downstream.
💡 Simply: Think about it like tracing back a problem to its beginning. Where did the river start? Where did the issue come from? That's upstream.
👶 For kids: The part of the river where it starts.
More Examples
The company is focusing on upstream investments to improve resource management.
How It's Used
"Pollution from the upstream industrial plants affected the river."
"We need to address the upstream supply chain issues."
Idioms & expressions
upstream supply chain
The processes, suppliers, and vendors involved in the initial stages of producing goods or services.
"Businesses need to manage their upstream supply chains to ensure timely delivery of materials."
upstream market
The industries and businesses involved in the exploration, extraction, and processing of raw materials.
"The upstream market is heavily influenced by global commodity prices."
From Middle English *up strem*, literally 'up the stream'.
The term has been used for centuries in a literal sense related to river travel and navigation. Its figurative use developed with the rise of industry and supply chain management.
Memory tip
Think of going against the current; it's uphill and upstream.