Definition

1. Noun:
   • The middle part of a stream or river: The central section of a flowing body of water, between the upstream and downstream sections.
   • A point or period in the middle of an ongoing process or activity: A figurative use indicating the middle stage of any continuous action or event.

Usage Examples

• Noun (Literal):

  • The boat stalled in the midstream, caught by the strong current.
  • They decided to take water samples from the midstream of the river for their study.

• Noun (Figurative):

  • The project changed direction in midstream, causing some confusion.
  • It's difficult to change the rules in midstream; we should have decided earlier.

Advanced Usage

• "to be caught in midstream": To be interrupted or halted in the middle of an action.

  • Her question caught me in midstream, and I forgot what I was saying.

• "to change horses in midstream": To make a major change in plans or leadership during an ongoing process. (This is an idiom; see related section).

  • The board's decision to replace the CEO was seen as changing horses in midstream.

Variants and Related Words

• Upstream (adverb/adjective): In or toward the source of a stream or river.
  • The factory is located upstream from the city.
• Downstream (adverb/adjective): In or toward the direction in which a stream or river flows.
  • Pollution from the plant affects villages downstream.

Synonyms

• Middle course: The central part of a river's path.
• Midpoint: A point in the middle of something (more general, not specific to streams).

Related Phrases

• In midstream: During the course of an activity.
  • The funding was cut while the research was in midstream.

Related Idioms

• "Don't change horses in midstream": A proverb advising against altering your plan or switching support in the middle of a critical undertaking.
  • I know you're frustrated, but the election is next week. Don't change horses in midstream.

Noun

1. the middle of a stream