Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “barrier”

barrier

noun [C]    /ˈbær·i·ər/
anything used or acting to block someone from going somewhere or from doing something, or to block something from happening : The Secret Service erected concrete barriers around the White House . Jackie Robinson was the African-American who succeeded in breaking major league baseball’s color barrier (= use of race to block something from happening ).
(Definition of barrier noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of barrier

Definitions of “barrier” in other dictionaries

Word of the Day

cookery

the skill or activity of preparing and cooking food

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