CEFR B1

rapids

noun

Meaning

A part of a river where the water flows very quickly and is often turbulent, usually because the riverbed slopes steeply or is obstructed by rocks.

Examples

  • The whitewater rafters cheered as they plunged into the rapids.
  • An unexpected storm turned the calm river into a series of dangerous rapids.

Synonyms: whitewater, waterfall, cascade