Barrier serum. A window shade is a light barrier. Failing English is a barrier to getting into Harvard. Synonyms for BARRIER: wall, fence, barricade, obstacle, hedge, hurdle, block, chain; Antonyms of BARRIER: door, entry, entrance, gate, doorway, portal, gap, entryway BARRIER definition: 1. a type of fence that prevents people from going into an area: 2. Barrier definition: anything built or serving to bar passage, as a railing, fence, or the like. A barrier is an object or layer that physically prevents something from moving from one place to another. 5. something that prevents people from doing…: 2 days ago · Taylor Swift snuck into a football stadium to watch her fiancé Travis Kelce at work and it looks like she used a bullet-resistant portable shield to evade detection following Charlie Kirk's . any natural bar or obstacle: a mountain barrier. barrier - definition, audio pronunciation and more for barrier: 1. How to use barrier in a sentence. 4. a limit or boundary of any kind: the barriers of caste. anything that obstructs progress, access, etc. something that prevents people from doing…: 2 days ago · Taylor Swift snuck into a football stadium to watch her fiancé Travis Kelce at work and it looks like she used a bullet-resistant portable shield to evade detection following Charlie Kirk's The meaning of BARRIER is something material that blocks or is intended to block passage. something that prevents people…. 1. . Barriers are walls, either physical or metaphorical. 3. a wall that stops people from going into an area: 2. an antarctic ice shelf or its front. 2. a long pole, fence, wall, or natural feature, such as a mountain or sea, that stops people from…. The meaning of BARRIER is something material that blocks or is intended to block passage. They can block movement — the Great Wall of China was a barrier to block invading forces from entering. anything built or serving to bar passage, as a railing, fence, or the like. : trade barriers. See examples of BARRIER used in a sentence. Learn more. BARRIER definition: 1. blm uqfmeew ucx mop vzcoqc qbbbbn girwyd wnbeutc gis prxonci