Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

foolproof

adjective
 
 
/ˈfuːl.pruːf/

Definition

(of a plan or machine) so simple and easy to understand that it is unable to go wrong or be used wrongly: I don't believe there's any such thing as a foolproof scheme for making money. This new DVD player is supposed to be foolproof.Easiness and simplicity
(Definition of foolproof adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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:

“foolproof” in other dictionaries

Word of the Day

ride (out) the storm

to manage not to be destroyed, harmed or permanently affected by the difficult situation you...

Word of the Day

Blog

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