plunge - definition in the American English Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plunge”

See all translations


verb [I/T]  us   /plʌndʒ/
to move or fall suddenly forward, down, or into something: [I] Her car plunged off the cliff. [I] He plunged into the crowd, smiling and shaking hands. [T always + adv/prep] She suddenly plunged the knife into the cake. If a value or price plunges, it suddenly becomes less: [I] Rumors on Wall Street have caused stock prices to plunge. If a person or group plunges into an activity, or a place plunges into a condition, it suddenly experiences it: [I always + adv/prep] The economy was in danger of plunging into a depression. [T always + adv/prep] The storm cut power lines, plunging the town into darkness.


noun [C]  us   /plʌndʒ/
a sudden fall forward, down, or into something: A tree broke his plunge downhill. The rapid plunge of the stock market caused panic among investors.
(Definition of plunge from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of plunge?
Add Cambridge dictionaries to your browser to your website

Definitions of “plunge” in other dictionaries

Word of the Day

a game in hand

if a sports team has a game in hand over other teams in a competition, it still has another game to play in which it can gain points

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More