American Dictionary

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Definition plunge in American English

plunge verb

verb
/plʌndʒ/
1

to fall quickly from a high position

Example

It was still dark when the helicopter plunged 500 feet into the ocean.

Example

His car had plunged off the mountain road in heavy rain.

Synonyms and related words
1.1

to make someone or something fall quickly from a high position

Example

The wind suddenly shifted and they were both plunged off the cliff.

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Example

Stone steps plunged down to the basement.

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2

to suddenly put someone or something in a much less successful situation, or to be suddenly put in such a situation

Example

A string of recent defeats has plunged the team dangerously near the bottom of the table.

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3

if an amount or level plunges, it suddenly becomes much lower

Example

The temperature is expected to plunge below zero tonight.

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4

to push a plunger into a toilet, sink, or bathtub in order to stop a pipe from being blocked

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5

to move quickly in an uncontrolled way, or to make someone or something move in this way

Example

He plunged toward the door and wrenched it open.

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5.1

if a ship plunges, it moves up and down on water in an uncontrolled way

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Definition plunge in American English