rack your brains Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “rack your brains” - English Dictionary

Definition of "rack your brains" - British English Dictionary

See all translations

rack your brains

UK (US rack your brain) to ​think very hard: I've been ​racking my ​brains all ​day but I can't ​remember her ​name.
(Definition of rack your brains from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “rack your brains”
in Chinese (Simplified) 绞尽脑汁, 搜肠刮肚…
in Chinese (Traditional) 絞盡腦汁, 搜腸刮肚…
Add Cambridge dictionaries to your browser to your website
Word of the Day

autumnal

typical of autumn

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More