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| Date: | 1300-1400 |
| Language: | Old French |
| Origin: | barriere, from barre; BAR1 |
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bar‧ri‧er W3
[countable]
[countable]1 a rule, problem etc that prevents people from doing something, or limits what they can do : 
the removal of trade barriers (=something such as a tax that makes trade between countries difficult)The language barrier (=the inability to talk with someone because you speak a different language) makes debate impossible.
the removal of trade barriers (=something such as a tax that makes trade between countries difficult)The language barrier (=the inability to talk with someone because you speak a different language) makes debate impossible.2 a type of fence or gate that prevents people from moving in a particular direction : Crowds burst through the barriers and ran onto the pitch.
Crowds burst through the barriers and ran onto the pitch.3 a physical object that keeps two areas, people etc apart
4 a level or amount of 10 seconds, 40% etc, that is seen as a limit which it is difficult to get beyond : I'm hoping to crash the 20-second barrier in the final and get a bronze.
the 10-second/40% etc barrier
TMDSI'm hoping to crash the 20-second barrier in the final and get a bronze.