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
At the same time, the Navy’s undersea payload capacity is limited to existing AUV and submarine platforms, which were not designed to carry large, numerous, or dense payloads. — Prabhat Ranjan Mishra, Interesting Engineering, 9 Nov. 2026 The endeavor involved completely removing the nearly 312-foot-long Gato-class submarine from the water in order to inspect and repair its lower hull. — Andrew Paul, Popular Science, 3 Nov. 2026 See All Example Sentences for submarine
Recent Examples of Synonyms for submarine
  1. underwater
  2. torpedo
  3. aquatic
  4. hero
  5. sub
Adjective
  • Democrats were underwater, with 38% of voters seeing the party as either strongly or somewhat positive versus 46% seeing the party as somewhat or strongly negative.
    — Andrew J. Campa, Los Angeles Times, 7 Nov. 2026
  • Finding and neutralizing threats The demonstration’s final phase brought in Thales Advanced Acoustic Concepts’ ANGLER underwater effector.
    — Aamir Khollam, Interesting Engineering, 5 Nov. 2026
Definition of underwater
Noun
  • The reason this sandwich has won my heart more than others in the city is the torpedo of bread they’re tucked into, which sighs and crackles, an entire universe of complexity and depth in its crumb.
    — Helen Rosner, New Yorker, 1 Nov. 2026
  • Their forces tested several anti-ship weapons before a submarine torpedo sent the vessel to the seabed.
    — Atharva Gosavi, Interesting Engineering, 29 Sep. 2026
Definition of torpedo
Adjective
  • Seductive aquatic creatures luring sailors to a watery death is a story that pretty much originated with sailing itself.
    — Literary Hub, Literary Hub, 6 Nov. 2026
  • In their larval stage, dragonflies are fierce aquatic predators that eat mosquito larvae.
    — Chris Elphick, The Conversation, 6 Nov. 2026
Definition of aquatic
Noun
  • Millennials might see the Twisted Teens as spiritual heirs to endearingly insolent post-Y2K garage heroes like Black Lips, the King Khan & BBQ Show, and the Deadly Snakes.
    — Stuart Berman, Pitchfork, 5 Nov. 2026
  • One of the oddest parts of public figure status is becoming friends with your childhood heroes.
    — Steve Baltin, Los Angeles Times, 4 Nov. 2026
Definition of hero
Noun
  • This track has deep sub-bass throughout, in both the kick drum and some of the bass synths.
    — Christian de Looper, PC Magazine, 7 Nov. 2026
  • Firehouse Subs Veterans and active-duty military members with valid ID can buy one, get one with any sub purchase.
    — Anne Ewbank, Sacbee.com, 7 Nov. 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 12 Nov. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

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