Common terms using barrier:

• barrier - any structure used to obstruct passage in a given direction, such as a wall, barricade, or roadblock
• sound barrier - Is what was formerly believed to be a physical boundary stopping large objects from becoming supersonic.
• trade barrier - General term usually used for restriction of trade by government

In computer science:

• barrier (computer science) is a type of synchronization in parallel computing

In geography:

• Barrier, Voerendaal, a place in the municipality of Voerendaal, in southeastern Netherlands
• Barrier Bay, an open bay in Antarctica.
• Great Barrier Reef, Located in the Coral Sea off the coast of Queensland in north-east Australia
• Great Barrier Island is located in the north of New Zealand
• A misspelling of Barriere, British Columbia, a small community in Thompson-Nicola Regional District, British Columbia, Canada

Structures with the word Barrier in their name:

• Barrier Highway, a State highway in New South Wales, Australia
• Thames Barrier, a flood control structure on the River Thames in England.
• A Jersey barrier (K-rail), a common type of concrete barrier first used in New Jersey to divide highway lanes.

In entertainment:

• Barrier is the US name for the 1966 Polish film Bariera with Krzysztof Komeda, Jerzy Skolimowski, and others.

People named Barrier:

• Smith Barrier - American sports journalist.

バリア | Баријера