

He decided to plunge into the pool.
To jump or dive quickly and suddenly into something, often water.
She took a deep breath and plunged into the ocean.
The kids love to plunge into the lake on hot days.
He plunged into the water to rescue the dog.
plunge into water
plunge into action
plunge into darkness
dive
jump
leap
The stock prices began to plunge after the news.
To decrease suddenly and significantly.
The temperature will plunge overnight.
Sales plunged after the holiday season.
Her spirits plunged when she heard the bad news.
plunge dramatically
plunge sharply
plunge into
drop
fall
decline
The roller coaster took a plunge down the track.
A sudden and steep fall or drop.
The stock market took a plunge yesterday.
She felt a plunge in her stomach as she jumped off the diving board.
The temperature is expected to take a plunge tonight.
plunge in prices
plunge into water
plunge down
drop
fall
decline