Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plunge”

See all translations

plunge

verb uk   /plʌndʒ/ us  

plunge verb (FALL)

C2 [I or T, usually + adv/prep] to (cause someone or something to) move or fall suddenly and often a long way forward, down, or into something: We ran down to the beach and plunged into the sea. The car went out of control and plunged over the cliff. Cook the peas by plunging them into boiling water. Niagara Falls plunges 55.5 metres.
More examples

plunge verb (BECOME LOWER)

C1 [I] to become lower in value or level very suddenly and quickly: The fall in demand caused share prices to plunge. Our income has plunged dramatically.

plunge

noun [C] uk   /plʌndʒ/ us  

plunge noun [C] (MOVEMENT)

a sudden movement or fall forward, down, or into something: I really enjoyed my plunge (= jumping in and swimming) in the pool.

plunge noun [C] (REDUCTION)

a sudden and large fall in value or level: We are expecting a plunge in profits this year.
(Definition of plunge from the Cambridge Advanced Learners Dictionary & Thesaurus © 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

cracker

a thin, flat, hard biscuit, especially one eaten with cheese

Word of the Day

Party Talk (The language of party chat)

by Kate Woodford,
December 23, 2014
​​​ With the party season in full swing (= at its busiest now), we consider the language of socializing (= enjoying yourself with other people). We’re looking especially at words and phrases which are used to describe the different ways that people behave at a party and the sort of conversations that party

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More