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
France has just rolled out its fifth next-generation nuclear attack submarine (SSN), ready for final fitting-out and testing. — Christopher McFadden, Interesting Engineering, 17 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 missiles were launched on October 14, and the test was reportedly designed to assess the operational readiness of underwater combat systems and improve the navy’s ability to carry out strategic missions, according to North Korea.
    — Prabhat Ranjan Mishra, Interesting Engineering, 16 Oct. 2026
  • The water level of the 90-year-old reservoir has dropped, exposing areas that were previously underwater.
    — CBS News, CBS News, 16 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
  • Too aquatic for roads, yet too terrestrial for boats, boglands remain some of the most remote and difficult landscapes to access.
    — Literary Hub, Literary Hub, 16 Oct. 2026
  • The park has a wide variety of birds, Harding said, as well as coyotes, foxes and aquatic animals such as frogs and turtles.
    — Evy Lewis, Chicago Tribune, 13 Oct. 2026
Definition of aquatic
Noun
  • Related Stories The extraordinary circumstances have turned Machchhar into a national hero in his native India as well as in Israel.
    — Cynthia Littleton, Variety, 15 Oct. 2026
  • The new Marvel series will see the hero grapple with his identity and humanity while evading a bounty hunter and reuniting with his son.
    — Tracy Brown, Los Angeles Times, 14 Oct. 2026
Definition of hero
Noun
  • All of this pillow talk smooths Kate’s path to selling Hal on her idea of extracting the bodies from the Russian sub.
    — Sophie Brookover, Vulture, 17 Oct. 2026
  • Founded in 2023, Podium is a relatively new kid on the block in the world of coffee subs.
    — Alaina Chou, Bon Appetit Magazine, 16 Oct. 2026
Definition of sub

Browse Nearby Words

submachine guns
submarine
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Cite this Entry

“Submarine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/submarine. Accessed 20 Oct. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

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