submarine 1 of 2

adjective

ˈsəb-mə-ˌrēn How to pronounce submarine (audio)
Definition of submarinenext
as in underwater
living, lying, or occurring below the surface of the water the submarine fossils that are to be found in coral reefs

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submarine

2 of 2

noun

as in torpedo
a large sandwich on a long split roll always orders a roast beef submarine with the works

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Example Sentences

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.
Recent Examples of submarine
Adjective
It is expected the Chinese submarine force to grow to 65 boats by 2025 and 80 by 2035 because of an expansion of submarine construction capacity. — Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025 Deep Blue Sea—Learn about our oceans while on submarine Sea Lab Alpha with underwater explorers Marina and Reef. — Anna Halkidis, Parents, 6 Dec. 2024
Noun
Its strategy includes monitoring undersea cables, building a submarine link to Greenland, expanding icebreaker capacity and connecting European transport and energy infrastructure to Arctic networks. — Lorne Cook, Los Angeles Times, 20 Oct. 2026 Its bankers are mapping distribution lines for key products, from submarines and missiles to aircraft, to identify suppliers that may lack the capital or capacity to meet rising demand, according to Petno. — Hugh Son, CNBC, 19 Oct. 2026 See All Example Sentences for submarine
Recent Examples of Synonyms for submarine
  1. underwater
  2. torpedo
  3. aquatic
  4. hero
  5. sub
Adjective
  • The Dodgers are out; the Rams are underwater; the Trojans have a potent offense but so-so defense; and, the Chargers are in the toilet.
    — Los Angeles Times, Los Angeles Times, 24 Oct. 2026
  • By adding a company with a long record in underwater robotics, Elbit gains access to specialist expertise that complements its existing surface, sensor, communications and command-and-control capabilities.
    — Prabhat Ranjan Mishra, Interesting Engineering, 23 Oct. 2026
Definition of underwater
Noun
  • Their forces tested several anti-ship weapons before a submarine torpedo sent the vessel to the seabed.
    — Atharva Gosavi, Interesting Engineering, 29 Sep. 2026
  • The Mk 48 heavyweight torpedo is an artefact of the Cold War.
    — New Atlas, New Atlas, 24 Sep. 2026
Definition of torpedo
Adjective
  • The motorcycle operates differently from a conventional watercraft, which typically uses a dedicated propulsion system designed for aquatic environments.
    — Jijo Malayil, Interesting Engineering, 26 Oct. 2026
  • The other two organizations focus on protecting waterways and aquatic ecosystems, including the Harpeth River, where Janson lives.
    — Amber Harding OutKick, FOXNews.com, 19 Oct. 2026
Definition of aquatic
Noun
  • The loss of Flyte and Coe (Tom Brooke) earlier in the season leaves the Horses a little worse for wear, but Slow Horses has one parting blow for our semi-competent hero, River (Jack Lowden), before the season ends.
    — Fran Hoepfner, Vulture, 21 Oct. 2026
  • More are likely, and the ones that stick will be those with a clear hero product and a founder who stays visible.
    — Lauren Jarvis-Gibson, Kansas City Star, 21 Oct. 2026
Definition of hero
Noun
  • Surprisingly, the first-ever order at the chain’s flagship location was not a sub, but two hot dogs with everything on them, which consisted of about 10 ingredients, Robin Sorensen told the Jacksonville Daily Record in 2020.
    — Sadie Chafe, FOXNews.com, 25 Oct. 2026
  • At the same time, Ethan feuded with multiple sub-Reddits, including r/h3snark and r/Fauxmoi.
    — Bethy Squires, Vulture, 24 Oct. 2026
Definition of sub

Browse Nearby Words

submachine guns
submarine
submarines
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Cite this Entry

“Submarine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/submarine. Accessed 28 Oct. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

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