U-boat
Americannoun
noun
Etymology
Origin of U-boat
1910–15; < German U-Boot, short for Unterseeboot literally, undersea boat
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 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
For the most part, however, “Wolfpack” chronicles the misery, failure and deaths of U-boat crews.
From The Wall Street Journal ● Nov. 7, 2025
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
That included staffing her post as the news came in that a convoy escorted by her future husband’s ship, the destroyer HMS Oribi, had been attacked by a U-boat wolf pack.
From Seattle Times ● May 30, 2024
They received so many false reports of U-boat sightings that they dismissed this one as "dubious."
From Nazi Saboteurs by Samantha Seiple
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
