Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “be beside yourself”

be beside yourself

C2 If you are beside yourself with a particular feeling or emotion , it is so strong that it makes you almost out of control : He was beside himself with grief when she died .Of unsound mindStupid and sillyStrong feelings Grammar:Beside or besides?Grammar:BesideBeside is a preposition. It means ‘at the side of’ or ‘next to’. It is rather formal:Grammar:BesidesBesides is a preposition or a linking adverb. It means ‘in addition to’ or ‘also’:
(Definition of be beside yourself from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Browse related topics

You are looking at an entry to do with Strong feelings, but you might be interested in these topics from the Expressing and controlling emotions topic area:

Translations of “be beside yourself”

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