Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “common”

common

adjective (USUAL)    /ˈkɒm.ən/ US  /ˈkɑː.mən/
B1 the same in a lot of places or for a lot of people: It's quite common to see couples who dress alike. "Smith" is a very common name in Britain.Plain and ordinaryTedious and uninspiring common courtesy/decency the basic level of politeness that you expect from someonePlain and ordinaryTedious and uninspiring common knowledge B2 a fact that everyone knows: [+ that] It's common knowledge that they live together.Plain and ordinaryTedious and uninspiringKnowledge and awareness
(Definition of common adjective (USUAL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of common

Definitions of “common” in other dictionaries

Word of the Day

generous

willing to give money, help, kindness, etc., especially more than is usual or expected

Word of the Day

Blog

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