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

Instead of the protective fortification of concrete barriers and razor wire, the National Mall is marked by a sprawling, deliberate openness.

From Salon • Jul. 4, 2026

Samary arrived just ahead of Gomina, his loyalist commander, at QRF headquarters, a base fortified by guard towers and razor wire.

From The Wall Street Journal • Mar. 12, 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

In early January, the city of San Diego sued the federal government over razor wire placed on its land, saying it constitutes trespassing and disturbs sensitive habitat.

From Los Angeles Times • Feb. 1, 2026

They removed the razor wire but kept the twelve-foot fence.

From "Hole in My Life" by Jack Gantos