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
To further strengthen its counterstrike capability, the ministry is seeking to develop hypersonic missiles that can be launched from submarines. — Mia Osmonbekov, Fortune, 31 Aug. 2026 Drug cartels, in the meantime, have adjusted to the threat to vessels on the water, increasingly ferrying narcotics via unmanned semisubmersibles -- drone submarines that navigate autonomously -- a former intelligence official told ABC News. — Laura Romero, ABC News, 31 Aug. 2026 See All Example Sentences for submarine
Recent Examples of Synonyms for submarine
  1. underwater
  2. torpedo
  3. aquatic
  4. hero
  5. sub
Adjective
  • This marks a big step forward for the underwater rail project.
    — Sujita Sinha, Interesting Engineering, 31 Aug. 2026
  • For a truly unforgettable endeavor, dive into a deep appreciation of the wonders of the underwater world on the Ocean Pearl, the resort’s mini submarine.
    — Condé Nast Traveler, Condé Nast Traveler, 30 Aug. 2026
Definition of underwater
Noun
  • The Waco, Texas, native died in 1943 during a Japanese torpedo attack in the Pacific.
    — Michael Loria, USA Today, 21 Aug. 2026
  • The third season ended with Kate discovering the plot orchestrated by Hal and President Grace (Janney) to steal a dangerous Russian nuclear torpedo — a plot she is now implicated in.
    — Mya Copeland, Variety, 17 Aug. 2026
Definition of torpedo
Adjective
  • Once this aquatic animal was able to live out of water, its 18 appendages were lost over generations.
    — New Atlas, New Atlas, 30 Aug. 2026
  • Milander Aquatic Center has become a hub for aquatic programs in the area, drawing swimmers, families, schools and athletes from Miami Springs, Hialeah Gardens and other parts of Miami-Dade County.
    — Verónica Egui Brito, Miami Herald, 22 Aug. 2026
Definition of aquatic
Noun
  • Before Bret can continue to self-identify as Shakespeare’s most famous hero, he’s questioned by Detectives Donaldson and Fregosi, who wonder if Bret isn’t being honest about the nature of his relationship with Matt.
    — Louis Peitzman, Vulture, 3 Sep. 2026
  • The problem is exacerbated by Mark Wahlberg, pretty handily the most constitutionally unlikely Burton hero of all time.
    — Jesse Hassenger, Entertainment Weekly, 2 Sep. 2026
Definition of hero
Noun
  • Pick a region, approve a sub-processor, spin up a tenancy because the security team is on holiday.
    — Maman Ibrahim, Forbes.com, 1 Sep. 2026
  • The sub-indexes on raw materials inventory and employment, however, were in contractionary territory below the 50-mark threshold.
    — Anniek Bao, CNBC, 31 Aug. 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 5 Sep. 2026.

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More from Merriam-Webster on submarine

Britannica.com: Encyclopedia article about submarine

Last Updated: - Updated example sentences
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