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Definitions

barrier

[bar-ee-er] / ˈbær i ər /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Where LiveRamp plus Publicis is going to make a difference is in the agentic space, in this new market where there is huge opportunity because there is a huge barrier created by data.”

From The Wall Street Journal • May 18, 2026

Under healthy conditions, the blood-brain barrier helps clear waste products from the brain while blocking harmful substances such as toxins and pathogens.

From Science Daily • May 17, 2026

The researchers designed bioactive nanoparticles called "supramolecular drugs" to help restore this barrier and restart the brain's ability to remove waste.

From Science Daily • May 17, 2026

The adventurous nature of such sailings and the activities they provide can be riskier than a more traditional cruise and a barrier for people with certain physical limitations.

From The Wall Street Journal • May 17, 2026

In the blink of an eye, the top part of each wall was coated with a stainless steel barrier.

From "The School for Whatnots" by Margaret Peterson Haddix




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