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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.

"The consumed soil acts as a barrier in the digestive tract, limiting absorption of harmful compounds."

From BBC • Apr. 22, 2026

In the past, it was very difficult to run a business on your own, she said, but the range of tasks that AI can help with has "lowered the entry barrier".

From Barron's • Apr. 22, 2026

This substance acts as a protective barrier for tumors by slowing down T cells and preventing them from entering cancerous tissue.

From Science Daily • Apr. 21, 2026

In this case, the cost of childcare might not be the only barrier and driver of lower birth rates.

From Salon • Apr. 18, 2026

Nurse Beverly sprang out of the closet crying, “Max! Max—are you okay?” just ahead of the metal barrier covering over the closet door, too.

From "The School for Whatnots" by Margaret Peterson Haddix




Vocabulary lists containing barrier