Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “open-and-shut”


adjective     /ˌəʊ.pən.ənˈʃʌt/ US  /ˌoʊ-/
describes a problem or legal matter that is easy to prove or answer : Our lawyer thinks that we have an open-and-shut case .Easiness and simplicity
(Definition of open-and-shut adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of open-and-shut

Browse related topics

You are looking at an entry to do with Easiness and simplicity, but you might be interested in these topics from the Easy and difficult topic area:

Definitions of “open-and-shut” in other dictionaries

Translations of “open-and-shut”

Word of the Day


a good knowledge of something, or the fact that you know it so well

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