Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “cave in”

cave in

(FALL IN) /ˈkeɪv ˈɪn/ phrasal verb with cave verb
(of a structure ) to fall in suddenly , esp . because of a lack of support : The building’s roof caved in under the weight of the snow .
(Definition of cave in (FALL IN) from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definitions of “cave in” in other dictionaries

Translations of “cave in”

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More