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
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
Rowe cited the submarine-industrial base as an illustration of the problem, describing shortages of welders and electricians at a time when the United States is trying to expand production capacity. — Nick Lichtenberg, Fortune, 30 Sep. 2026 The United States and its allies still need exquisite aircraft, nuclear submarines, fifth-generation stealth fighters, and other high-end capabilities. — Dan Driscoll, Foreign Affairs, 28 Sep. 2026 See All Example Sentences for submarine
Recent Examples of Synonyms for submarine
  1. underwater
  2. torpedo
  3. aquatic
  4. hero
  5. sub
Adjective
  • Sculptural hems and peplums gave the clothes an underwater buoyancy, while naturalist David Attenborough’s voice supplied the ocean-conservation message.
    — ABC News, ABC News, 2 Oct. 2026
  • Audiences can expect natural richness, such as underwater images of glistening shellfish, to encounter ecological dread.
    — Georg Szalai, HollywoodReporter, 2 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
  • Discharging untreated whey can deplete oxygen in waterways and damage aquatic ecosystems.
    — New Atlas, New Atlas, 3 Oct. 2026
  • Because microorganisms in water turn regular mercury into methylmercury, a toxic chemical form that binds tightly to fish tissue, the heavy metal accumulates to higher levels in aquatic animals.
    — Sandee LaMotte, CNN Money, 2 Oct. 2026
Definition of aquatic
Noun
  • The award is named after Justice Albie Sachs, a hero of the anti-apartheid movement who survived imprisonment, exile and an assassination attempt in the fight for equality in South Africa.
    — Lisa Lockwood, Footwear News, 1 Oct. 2026
  • Trask, who grow up under the demanding eye of father Cyrus (Tracy Letts), a one-legged Civil War hero who guides them with military rigor.
    — Daniel Fienberg, HollywoodReporter, 1 Oct. 2026
Definition of hero
Noun
  • Where a chorus should hit, nearly everything drops out, leaving behind those drums to face off against the steady, impersonal rumble of a sub-bass.
    — Sadie Sartini Garner, Pitchfork, 4 Oct. 2026
  • Sam Stovall, chief investment strategist at CFRA Research, pointed out that only 12% of the 153 sub industries in the S & P 500 1500, covering the entire large-, mid- and small-cap universe, are trading above their 50- and 200-day moving averages.
    — Sarah Min, CNBC, 2 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 8 Oct. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

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