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Definitions

U-boat

[yoo-boht] / ˈyuˌboʊt /


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.

During World War II, a British cargo ship torpedoed by a German U-boat sank nearly 3 miles under the Atlantic.

From The Wall Street Journal • May 22, 2026

The first dog sled patrols began in eastern Greenland during World War II, when they discovered and helped destroy German weather stations, denying the Germans crucial information for their U-boat campaign in the Atlantic.

From Barron's • Jan. 28, 2026

But as happened elsewhere in the country, much of L.A.’s public German community went to ground after May 1915, when a German U-boat sank the British ocean liner Lusitania.

From Los Angeles Times • Aug. 8, 2025

Deciphered Enigma messages revealed details of the movements of Germany’s U-boat fleets and provided crucial information for the North African desert campaign and the Allied invasion of France.

From Seattle Times • Oct. 31, 2023

Fifteen minutes later, there was a small parting in the fog, and the silhouette of a U-boat appeared about 150 feet from shore.

From Nazi Saboteurs by Samantha Seiple




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