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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.

It would break the 10000 point barrier less than two years later.

From The Wall Street Journal • Jun. 10, 2026

To investigate further, researchers focused on glucosamine because it is a naturally occurring sugar-related molecule that can cross the blood-brain barrier.

From Science Daily • Jun. 10, 2026

"We'll have the entire system to include a secondary barrier in places we need it -- the water barrier and the Rio Grande River -- and the technology," Scott said.

From Barron's • Jun. 9, 2026

High rocket-launch costs have historically been the key barrier to entry, and SpaceX has led the effort to make it cheaper to get into orbit with its Falcon 9.

From MarketWatch • Jun. 9, 2026

In thermodynamics a zero became an uncrossable barrier: the coldest temperature possible.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife




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