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

Synonyms & Similar Words

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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
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 Known as an innovator in the grocery business, Violante enhanced the experience at Holiday Market with an in-store bakery, freshly made submarine sandwiches, and beers from around the world, according to his family obituary. — Susan Selasky, Detroit Free Press, 16 Oct. 2024
Noun
For the first time in its history, the US military sent explosive-laden drone boats into combat by attacking an Iranian midget submarine and naval port. — Jeremy Hsu, ArsTechnica, 14 July 2026 As Vasily Borodin, executive officer of the Red October, Neill brings gravitas and gentle truth to a submarine thriller that otherwise can feel a little showy. — Brian Tallerico, Vulture, 14 July 2026 See All Example Sentences for submarine
Recent Examples of Synonyms for submarine
  1. underwater
  2. torpedo
  3. aquatic
  4. hero
  5. sub
Adjective
  • Businesses that had never flooded before were suddenly underwater.
    — Alaa Elassar, CNN Money, 20 July 2026
  • There are shallow but rich dives; full-of-life, accessible wrecks; and thriving reefs, including my favorite spot, the unlikely cement plant, with seahorses and octopus reclining beneath its pier pilings—pilings that are fantastical once underwater.
    — Jonnie Bayfield, Condé Nast Traveler, 19 July 2026
Definition of underwater
Noun
  • Its Virginia Payload Module gives it a large and well-defined cruise-missile capacity, while its torpedo tubes can launch Mk 48 heavyweight torpedoes.
    — Atharva Gosavi, Interesting Engineering, 11 July 2026
  • The company makes radar and electronic warfare systems, as well as torpedo defense countermeasures.
    — Lim Hui Jie, CNBC, 6 July 2026
Definition of torpedo
Adjective
  • The spread of aquatic invasive species such as hydrilla has been a major concern in Connecticut recently.
    — Stephen Underwood, Hartford Courant, 19 July 2026
  • In some communities, generations of families have had fewer opportunities to learn to swim because of barriers to accessing pools and other aquatic facilities.
    — Katia Hetter, CNN Money, 18 July 2026
Definition of aquatic
Noun
  • Adidas reportedly spent $67 million on its hero film, Backyard Legends, while Nike also splashed heavily on talent — Kim Kardashian, Kylian Mbappé, Central Cee, and LeBron James, among others — for its competing short, Rip the Script.
    — Joe Bobowicz, Vogue, 16 July 2026
  • But the version of the classical hero that the film conjures up nevertheless embodies the great preoccupation of Nolan’s filmography.
    — Alison Willmore, Vulture, 15 July 2026
Definition of hero
Noun
  • If a team has one or zero subs left, a red-card offence would result in them playing down a man.
    — The Athletic UK Staff, New York Times, 22 July 2026
  • Hebbia’s Matrix product runs specialized sub-agents across massive document sets, backing every result with clickable source citations.
    — Alex Ford, Forbes.com, 21 July 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 22 Jul. 2026.

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More from Merriam-Webster on submarine

Nglish: Translation of submarine for Spanish Speakers

Britannica.com: Encyclopedia article about submarine

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