Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “barrier”

See all translations

barrier

noun [C]  /ˈbær·i·ər/ us  
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 from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of barrier?
Add Cambridge dictionaries to your browser to your website

Definitions of “barrier” in other dictionaries

Word of the Day

nation

a country, especially when thought of as a large group of people living in one area with their own government, language, traditions, etc.

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More