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
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
  • There’s a strong focus on experiential adventure and underwater exploration, with complimentary resort bikes, private boat excursions, kayaks, SUP boards, and an array of island tours.
    — Condé Nast, Condé Nast Traveler, 6 Oct. 2026
  • A bit of fishing-village whimsy intertwined with underwater kaiju action?
    — Brian Tallerico, Vulture, 6 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
  • Baywatch is, of course, the globally recognizable show about lifeguards patrolling the beaches of LA and Hawaii, which three decades ago made heroes of its stars and creators.
    — Jesse Whittock, Deadline, 8 Oct. 2026
  • Niacinamide, collagen, saw palmetto and vitamin D each target a different mechanism, which is part of why the category is fragmenting into specialized products rather than consolidating around a single hero formula.
    — Hanna Wickes, Kansas City Star, 7 Oct. 2026
Definition of hero
Noun
  • And YouTube has 250 kids channels with over 10 million subs and a 300,000 hour total across videos, shorts and livestream of which 80% are pre-school channels.
    — John Hopewell, Variety, 10 Oct. 2026
  • Boosted by Heated Rivalry, Crave recorded just over 5 million subs in Bell’s most recent results, and is eyeing 6 million by end of 2028, but Cohan is thinking beyond that.
    — Stewart Clarke, Deadline, 8 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 11 Oct. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

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