rapid

• Описывает то, что происходит очень быстро или с высокой скоростью.

Describes something that happens very quickly or at a high speed.

1. Fast or quickA2formal

   Happening in a short time; moving at high speed.

   Быстрый

   • The patient showed rapid improvement after the treatment.
   • We witnessed a rapid change in the weather.
   • The company experienced rapid growth this year.

   Synonymsbriskexpeditiousfasthastyhigh-speedhurriedquickspeedyswift

   Antonymsleisurelyslowsluggishunhurried

2. Done quicklyB1formal

   Performed or completed with speed.

   Быстрый

   • She made a rapid decision to accept the job offer.
   • The rapid response of the fire department saved the building.
   • He took rapid steps to resolve the issue.

   Synonymsbriskfasthastypromptquickspeedyswift

   Antonymsleisurelyslowsluggishunhurried

• Существительное, обозначающее участок реки, где вода течёт очень быстро, часто по камням или крутому уклону.

A noun referring to a section of a river where the water flows very quickly, often over rocks or a steep gradient.

irregular plural

1. Fast-flowing river sectionB1formal

   A part of a river where the water flows very quickly, often over rocks, creating a turbulent surface.

   Быстрина

   • The kayakers navigated the dangerous rapids with skill.
   • We could hear the roar of the rapids from a distance.
   • The river's rapids made swimming impossible.

   Synonymscataractchuteriffletorrentwhitewater