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plunge - definition and synonyms


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verb     plunge pronunciation in American English
Word Forms
present tense
present participleplunging
past tenseplunged
past participleplunged
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  1. 1
    [intransitive] to fall quickly from a high position

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

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

    1. a.
      [transitive] to make someone or something fall quickly from a high position

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

  2. 2
    [transitive] to suddenly put someone or something in a much less successful situation, or to be suddenly put in such a situation

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

  3. 3
    [intransitive] if an amount or level plunges, it suddenly becomes much lower

    The temperature is expected to plunge below zero tonight.

  4. 4
    [transitive] American to push a plunger into a toilet, sink, or bathtub in order to stop a pipe from being blocked
  5. 5
    [intransitive/transitive] to move quickly in an uncontrolled way, or to make someone or something move in this way

    He plunged toward the door and wrenched it open.

    1. a.
      [intransitive] if a ship plunges, it moves up and down on water in an uncontrolled way

Open Dictionary


a rise in the level of a stream or river

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