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Definitions from WordNet

Definitions from the Web

Upstream

Description:

Upstream is a term commonly used to describe the direction opposite to the flow of a stream or current. It can also refer to activities or processes that take place in the earlier or initial stages of a particular operation or system.

Part of Speech:

Adverb, adjective, noun

Sense 1 (Adverb):

1. Against or in the opposite direction to the current or flow.

2. Towards the source or origin.

3. Towards an earlier stage or time.

Sample Sentences:

1. The fish swam upstream against the strong river current.

2. The hiker decided to trek upstream to reach the hidden waterfall.

3. We need to go upstream and investigate the root cause of the problem.

Sense 2 (Adjective):

1. Related to or situated in the area towards the source of a river or stream.

2. Referring to activities or processes that occur in the earlier stages of a particular operation or system.

Sample Sentences:

1. The upstream section of the river is known for its abundance of trout.

2. The company decided to invest in upstream research to develop new technologies.

3. Upstream industries are responsible for extracting and refining raw materials.

Sense 3 (Noun):

1. The direction opposite to the flow of a river or stream.

2. The area of a river or stream that is closer to its source.

3. The initial or earliest stages of a particular operation or process.

Sample Sentences:

1. The canoe paddled upstream, battling the strong current.

2. The stream widened as it neared the upstream, forming a small pond.

3. The success of the project depends on effective coordination between the upstream and downstream teams.

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