The meaning of BARRIER is something material that blocks or is intended to block passage. How to use barrier in a sentence.

BARRIER meaning: 1. a long pole, fence, wall, or natural feature, such as a mountain or sea, that stops people from…. Learn more.

Barrier definition: anything built or serving to bar passage, as a railing, fence, or the like.. See examples of BARRIER used in a sentence.

A barrier is an object or layer that physically prevents something from moving from one place to another.

1. anything built or serving to bar passage, as a railing, fence, or the like. 2. any natural bar or obstacle: a mountain barrier. 3. anything that obstructs progress, access, etc.: trade barriers. …

Barriers are walls, either physical or metaphorical. They can block movement — the Great Wall of China was a barrier to block invading forces from entering. A window shade is a light barrier. …