Rapid means very fast in biology. It shows when natural body processes like growth or change happen quickly.
Rapid cell growth is common in embryos.
Some diseases cause rapid changes.
A rapid is a part of a river where water moves very fast and is rough. It is often over rocks and can be hard to cross. People may call this place a rapid.
The kayaker moved through the rapid.
Rapids can be dangerous for boats.
Rapid is used when something changes very fast or suddenly. This word is often used in science or medicine to talk about quick changes or results.
The patient showed rapid improvement.
Rapid growth happened in the city.
Rapid can describe fast public transportation like trains or buses. It means the transport moves quickly to help many people travel in a short time.
The city built a rapid train line.
Rapid buses help people travel fast.
