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1. To push or thrust something deep in(to someone or something). A noun or pronoun can be used between "plunge" and "in." The workers set about plunging in the iron rods while the concrete was still wet. The villain laughed cruelly before plunging the knife in his victim's back.
2. To throw or cast something forcefully into some substance or place. A noun or pronoun can be used between "plunge" and "in." The elf plunged the cursed ring in the volcano, hoping to destroy it forever.
3. To dive into or immerse oneself in some liquid, substance, or mass of something. I plunged in the water to rescue the girl who fell overboard. The suspect disappeared into a crowd of people, and the detective plunged in after him. Having dropped my keys into the swamp, I had no option but to plunge in to get them back.
4. To submerge someone or something into some substance. A noun or pronoun can be used between "plunge" and "in." Parboil the kale for five minutes, then plunge it in cold water to stop it from cooking any further. Achilles' mother plunged him in the River Styx as a baby, making him invulnerable everywhere except the heel by which she held him.
5. To immerse oneself in or be consumed by some task, activity, or situation. The project is going to be tough, so let's plunge right in and not waste any time.
6. To cause someone or some group to be consumed by some state, condition, or situation. A noun or pronoun is used between "plunge" and "in." Employees have been plunged in an extremely stressful, toxic environment with very little support from management. The tragic news plunged me in despair. Analysts worry the move could plunge the country in even more debt.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
plunge in(to something)
to dive or rush into something; to immerse oneself in something. Ned took off his shoes and plunged into the river, hoping to rescue Frank. He plunged into his work and lost track of time.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To submerge something quickly into something else: The cook plunged the hot eggs in the cold water to stop them from cooking.
2. To jump or throw oneself into something: I walked up to the swimming pool and plunged in.
3. To fall into something: The child slipped and plunged in the well.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.