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 : something (such as a fence or natural obstacle) that prevents or blocks movement from one place to another; 2 : a law, rule, problem, etc., that makes something …

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

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

Definition of barrier noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

barrier A coordinated series of obstacles designed or employed to channel, direct, restrict, delay, or stop the movement of an opposing force and to impose additional losses in personnel, time, …

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. …

anything built or serving to bar passage, as a railing, fence, or the like: People may pass through the barrier only when their train is announced. any natural bar or obstacle: a mountain barrier.

Dec 7, 2025 · The bus went through a railway barrier and was hit by a train. The bomber had passed through one checkpoint before blowing himself up at a second barrier.

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