Did you know?

Click any word in a definition or example to find the entry for that word

plunge into - definition and synonyms

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

phrasal verb [transitive]
Word Forms
present tense
I/you/we/theyplunge into
he/she/itplunges into
present participleplunging into
past tenseplunged into
past participleplunged into
  1. 1
    plunge into something to suddenly start doing something with energy and enthusiasm, but sometimes without thinking about it first

    This was not the time to be plunging into some new business venture.

  2. 2
    plunge something into something to quickly push something a long way into something else

    He plunged his arm into the sack once more.

  3. 3
    plunge someone/something into something to suddenly put someone or something in a particular state or situation

    The city was plunged into total darkness when the entire electrical system failed.

    1. a.
      plunge into something to suddenly get into a particular state or situation

      The country is plunging into recession once more.

  4. 4
    plunge into something to jump or dive into water
See also main entry: plunge
  • Facebook
  • Twitter


to manipulate someone psychologically so that they begin to question their own perceptions and memories

BuzzWord Article

Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play