Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “idiom”

See all translations

idiom

noun uk   /ˈɪd.i.əm/ us  
B2 [C] a group of words in a fixed order that have a particular meaning that is different from the meanings of each word on its own: To "have bitten off more than you can chew" is an idiom that means you have tried to do something which is too difficult for you. [C or U] formal the style of expression in writing, speech, or music that is typical of a particular period, person, or group: Both operas are very much in the modern idiom.
More examples
(Definition of idiom from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of idiom?
Add Cambridge dictionaries to your browser to your website

Definitions of “idiom” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More