This meaning is about moving quickly into water head first. People dive in swimming or diving sports. It is a physical action.
He can dive into the pool easily.
I want to dive deep in the sea.
As a noun, a 'dive' is the act of jumping into water in sports. People get scores for good dives in competitions.
She made a perfect dive in the pool.
His first dive won many points.
This meaning is informal. A 'dive' is a low-quality or dirty place. People often use it for cheap bars or restaurants.
We went to a dive bar last night.
That restaurant is a real dive.
This figurative meaning means to start doing something with great energy or interest quickly. It can be work or a hobby.
She dived into her new job happily.
He dived into the book and forgot time.
This meaning is about a big and fast decrease in numbers or prices. It is often used in business or finance.
There was a dive in stock prices today.
The company shares took a big dive.
