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: a German submarine

Examples of U-boat in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
U-boat barriers and anti-aircraft batteries still dot the area around Scapa Flow, the former base of the British fleet. Alex Ross, New Yorker, 24 Nov. 2025 After a German U-boat sinks a Canadian freighter in the early months of World War II, a raiding party comes ashore to secure supplies… only for the U-boat to get sunk in their absence. Will Harris, Entertainment Weekly, 2 Nov. 2025 The Delta was used earlier that year to explore the Lusitania, an ocean liner that sank in 1915 in the Celtic Sea after a German Navy U-boat torpeadoed it during World War I, so Mixter felt the Delta was a safe vessel. Jamie L. Lareau, Freep.com, 2 Nov. 2025 Against the backdrop of a minimal orchestral ensemble, just strings, brass and percussion, Doldinger used early synthesizers to create a sonic soundscape evoking sonar pulses, engine drones and the metallic ambience inside the World War 2 U-boat. Scott Roxborough, HollywoodReporter, 18 Oct. 2025 Because the attack came at the end of the war, and the U-boat had not received orders of any surrender, the sinking of the Eagle was reported as an engineering and boiler failure rather than an escalatory attack from a foreign adversary. Leanna Renee Hieber, Big Think, 2 Oct. 2025 Or out on the ocean, sailing on a ship crossing the Atlantic, where German U-boats lay in wait, torpedoes at the ready? Doug Most august 20, Literary Hub, 20 Aug. 2025 Winston Churchill said the U-boat peril was the only thing that really frightened him during World War II. Carl Burdette, Baltimore Sun, 22 June 2025 The first U-boat to enter the Gulf was U-507, which cruised into the area on April 30, 1942. Asia London Palomba, Smithsonian Magazine, 2 June 2025

Word History

Etymology

translation of German U-boot, short for Unterseeboot, literally, undersea boat

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of U-boat was in 1914

Browse Nearby Words

Cite this Entry

“U-boat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/U-boat. Accessed 1 Dec. 2025.

Kids Definition

U-boat

noun
ˈyü-ˈbōt
: a German submarine

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