Plunge | Mean of plunge in English Dictionary

/ˈplʌnʤ/

• Verb
• to fall or jump suddenly from a high place
1. Her car plunged off a bridge.
2. He plunged [=dove] into the pool.
3. The rocket plunged [=plummeted] toward the Earth.
4. The parachute failed to open, and the jumper plunged to her death. [=died from her fall]
• to fall or drop suddenly in amount, value, etc.
1. The stock market plunged yesterday.
2. The President's approval rating has plunged to 20 percent.
3. The moose population has plunged in recent years.
• to have a steep slope or drop downward
1. The rocky cliffs plunge into the swirling rapids below.
2. The road plunges down the mountain.

• to push (something) into (something) quickly and forcefully
1. The nurse grabbed his arm and plunged the needle in.
2. He plunged the knife into the cake.
3. I plunged the sponge into the bucket of water.
4. He plunged his hands into his pockets.
• to start doing (something) with enthusiasm and energy
1. It was a big project, so we all just had to plunge in [=dive in] and get started.
2. She plunged (right) into the assignment.
• to suddenly begin to be in (a particular and usually bad condition or situation)
1. He plunged into a severe depression.
• to cause (someone or something) to suddenly be in (a particular condition or situation)
1. A series of bad management decisions had plunged the company into debt.
2. The author plunges his readers into a world of fantasy.
3. The museum was recently plunged into scandal when it was learned that some of its art had been sold on the black market.
4. The city was plunged into darkness. [=the city suddenly became dark]
• Noun
• a sudden fall or jump usually from a high place
1. Amazingly, the cat survived its plunge from the building's roof.
• a sudden quick fall in amount, value, etc.
1. Market analysts predicted a price plunge.
2. The store experienced a sharp plunge in sales.
• the act of suddenly beginning to be in a particular condition or situation
1. his plunge into severe depression
2. A series of bad management decisions are responsible for the company's plunge into debt.
• to do something after thinking about it especially for a long time
1. We've been thinking of buying a new car, and yesterday we finally took the plunge. [=we bought a new car]
2. They're talking about marriage, but they don't know if they're ready to take the plunge.