variants or less commonly man-o'-war
Synonyms of man-of-warnext
: a combatant warship of a recognized navy

Examples of man-of-war in a Sentence

Recent Examples on the Web
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Melville wrote two more sailing novels that blended fiction and nonfiction based on his experiences on a merchant vessel (Redburn) and a man-of-war (White-Jacket), neither of which succeeded. — Literary Hub, 28 Apr. 2026 Somewhere over the course of their evolution, the class of hydrozoans — which includes certain kinds of jellyfish, hydras, and colonial siphonophores such as the Portuguese man-of-war — lost the genes that operate circadian clocks in the rest of the animal kingdom. — Marlowe Starling, Quanta Magazine, 20 Mar. 2026 Chad Ryan’s scenic design of George and Martha’s rotting-from-the-inside house is decorated with the symbols of war, like a framed sword, a model man-of-war battleship and a bust of Napoleon. — Pam Kragen, San Diego Union-Tribune, 10 Mar. 2026 The Portuguese man-of-war is a siphonophore, meaning it is made up of a colony of organisms that each have a special function, according to the Texas Department of Parks and Wildlife. — Caroline Wilburn, Houston Chronicle, 9 Mar. 2026 Nassau had no men-of-war ships, and Trott’s stone fort was still a building site. — Sean Kingsley, Smithsonian Magazine, 2 Apr. 2024 My hundred-and-forty-foot man-of-war sought to make the first mission to the South Pole, a feat that would bring pride to England. — Mike O’Brien, The New Yorker, 7 Nov. 2023 Just as airpower eventually killed off the great men-of-war that had ruled the waves for millennia, so cyberweapons might strip other weapons or tactics of their utility. — Kenneth M. Pollack, Foreign Affairs, 19 Apr. 2022

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of man-of-war was in the 15th century

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Cite this Entry

“Man-of-war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/man-of-war. Accessed 28 Sep. 2026.

Kids Definition

man-of-war

noun
ˌman-ə(v)-ˈwȯ(ə)r
plural men-of-war
ˌmen-

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