Barrier | Mean of barrier in English Dictionary

/ˈberijɚ/

• Noun
• something (such as a fence or natural obstacle) that prevents or blocks movement from one place to another
1. Concrete barriers surround the racetrack to protect spectators.
2. The tree's roots serve/act as a barrier against soil erosion.
3. The mountain range forms a natural barrier between the two countries.
4. barrier beaches
• a law, rule, problem, etc., that makes something difficult or impossible
1. Both leaders are in favor of removing trade barriers.
2. Cultural/social barriers have made it hard for women to enter many professions.
3. He argues that regulations should not be viewed as barriers to progress.
• something that makes it difficult for people to understand each other
1. The lecture was about finding ways to break through barriers between the social classes.
2. Age can be a big barrier between parents and children.
3. A language barrier existed between the two countries. [=people in the two countries did not understand each other because they spoke different languages]

• a level, amount, or number that is difficult to get past
1. His fastball broke the 100-mph barrier. [=he threw a baseball over 100 mph]
2. a price barrier [=a price that is regarded as a limit]