Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “mind-boggling”


adjective     /ˈmaɪndˌbɒɡlɪŋ/ informal
difficult to accept, imagine, or understand: The amount of information available on the Internet is mind-boggling.Puzzle and confuseDifficult to understandSurprising and shockingMaking people sad, shocked and upset
(Definition of mind-boggling adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “mind-boggling” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

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