know sth inside out 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 “know sth inside out” - English Dictionary

Definition of "know sth inside out" - British English Dictionary

See all translations

know sth inside out

informalC1 to ​know everything about a ​subject: He ​knows the ​system inside out.
(Definition of know sth inside out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “know sth inside out”
in Chinese (Simplified) 对…了如指掌…
in Turkish içini dışını bilmek, her şeyini bilmek…
in Russian знать что-либо досконально…
in Chinese (Traditional) 對…瞭如指掌…
in Polish znać coś jak własną kieszeń…
Add Cambridge dictionaries to your browser to your website
Word of the Day

forage

to go from place to place searching, especially for food

Word of the Day

Meerkat meme
Meerkat meme
by Colin McIntosh,
September 03, 2015
Meerkats are not new to popular culture (they appear in the folk tales of the San people of the Kalahari), but their arrival in the public’s consciousness, at least in the UK and the US, is a relatively recent phenomenon. Meerkats are small, sociable Southern African mammals that live in large family

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