razor wire

American  

noun

1. concertina wire.

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razor wire British  

noun

1. strong wire with pieces of sharp metal set across it at close intervals, used to make fences or barriers

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Compare meaning

How does razor-wire compare to similar and commonly confused words? Explore the most common comparisons:

• razor wire vs. barbed wire

Example Sentences

The Zvërnec project is still in the planning phase—the fencing and razor wire have come down—and the developers are working on an environmental-impact statement for authorities to review.

From The Wall Street Journal • Jun. 11, 2026

Once a symbol of cooperation, the 'Friendship Bridge' connecting the two snow-covered banks has been reinforced with rows of razor wire and anti-tank obstacles.

From Barron's • Feb. 6, 2026

So on a recent warm, sunny day, she hiked miles into the remote desert to confirm her suspicion — that razor wire now filled what not long ago was open terrain.

From Los Angeles Times • Feb. 1, 2026

The rooftop overlooks a flimsy fence crowned with razor wire around the compound, and about one mile of farmland between Nir Oz and southern Gaza.

From The Wall Street Journal • Oct. 12, 2025

The afternoon heat was great, and the air vibrated around the electrified razor wire overhead.

From "The Ear, the Eye, and the Arm" by Nancy Farmer