submarine

adjective
sub·​ma·​rine | \ ˈsəb-mə-ˌrēn How to pronounce submarine (audio) , ˌsəb-mə-ˈrēn\

Definition of submarine

 (Entry 1 of 3)

: underwater especially : undersea submarine plants submarine minerals

submarine

noun

Definition of submarine (Entry 2 of 3)

1 : something that functions or operates underwater specifically : a naval vessel designed to operate underwater
2 : a large sandwich on a long split roll with any of a variety of fillings (such as meatballs or cold cuts, cheese, lettuce, and tomato)

called also grinder, hero, hoagie, Italian sandwich, po'boy, sub, torpedo

submarine

verb
submarined; submarining

Definition of submarine (Entry 3 of 3)

transitive verb

: to attack by or as if by a submarine : attack from beneath

intransitive verb

: to dive or slide under something

Keep scrolling for more

Synonyms for submarine

Synonyms: Adjective

aquatic, submerged, sunken, underwater

Synonyms: Noun

Cuban sandwich, grinder, hero, hoagie (also hoagy), Italian sandwich, po'boy (also poor boy), sub, torpedo

Visit the Thesaurus for More 

Examples of submarine in a Sentence

Adjective

the submarine fossils that are to be found in coral reefs

Noun

always orders a roast beef submarine with the works

Recent Examples on the Web: Noun

America-class ships lack dedicated helicopters for anti-submarine warfare, and can’t embark E-2D Hawkeye airborne early warning and control aircraft that can detect aerial threats from afar and direct an air battle. Kyle Mizokami, Popular Mechanics, "The Navy and Marines Are Deploying a 'Lightning Carrier' to the Pacific," 2 May 2019 In the not-too-distant future, a pharmaceutical pirate named Jack travels around the world in a submarine, breaking patents and copyrights to bring cheap drugs to the world’s impoverished peoples. Andrew Liptak, The Verge, "The 13 best sci-fi books to check out on your new Kindle," 29 Dec. 2018 Using longitude and latitude coordinates, fast boats would meet the submarines in open water and then bring the drugs to the coast, where they would be loaded onto cars and moved into safehouses. Nicole Hong, WSJ, "‘El Chapo’ Jury Told of Cartel’s Tricks, From Submarines to Laundry Carts," 3 Jan. 2019 Outside, the world’s largest fleet of in-water historic vessels is docked at the wharves; climb aboard former navy destroyer HMAS Vampire, the HMAS Onslow submarine, or a replica of Captain Cook’s HMB Endeavour. Sophie Davies, Condé Nast Traveler, "15 Best Museums in Sydney," 23 Mar. 2018 Many of the ship’s weapons, particularly the anti-submarine torpedoes, were offloaded before the ship was raised. Kyle Mizokami, Popular Mechanics, "Norway’s Ruined Frigate Is Afloat Again and It Doesn't Look Good," 15 Apr. 2019 The kind of tiny submarine Musk is describing could allow professional divers to bring the boys out without requiring the boys to do anything more than lay still. Timothy B. Lee, Ars Technica, "Elon Musk making “kid-sized submarine” to rescue teens in Thailand cave," 7 July 2018 In the documentary, political scientist P.W. Singer notes that unrestricted submarine warfare targeting freighters and tankers was thought unconscionable at the beginning of the 20th century, but became normalized after World War II. James Vincent, The Verge, "This Elon Musk-approved AI documentary is mostly bluster and scare tactics," 12 Apr. 2018 The new ship-killer is designed to leave a submarines encapsulated in a torpedo. Kyle Mizokami, Popular Mechanics, "Iran Shows off Unusual Ship-Killing Torpedo/Missile Combination," 28 Feb. 2019

Recent Examples on the Web: Verb

But what about the bullpen that came perilously close to submarining their World Series run last season? Jon Tayler, SI.com, "The Houston Astros Are Only Getting Better," 19 June 2018 Waiters and Wall, like Thomas, were submarined by injuries, while Smith and Dunn are young guards still trying to establish themselves in the league. Ben Golliver, SI.com, "Isaiah Thomas’s Nightmare Contract Year Sputters to a Close With Season-Ending Surgery," 28 Mar. 2018 This is submarining, or peacing out and then popping back up like a submarine resurfacing from underwater. De Elizabeth, Allure, "9 Annoying Dating Trends Every Modern Romantic Needs to Know," 22 Mar. 2018 Just when hopeless romantics thought that mind-boggling dating trends like submarining and stashing were left behind in 2017, a new woe has bubbled up to vex sincere sentiments everywhere: mosting. Janine Puhak, Fox News, "'Mosting' is the latest maddening dating trend," 20 Mar. 2018 The Pelicans went into this year's All-Star Break on a three-game winning streak, in the hopes of jump-starting a campaign that looked to be submarined when DeMarcus Cousins went down with an Achilles injury. Clyde Verdin, NOLA.com, "Anthony Davis plots his future, with and without the Pelicans," 21 Feb. 2018 That team submarined itself to 37 wins under the bulk of its own malaise. Rob Mahoney, SI.com, "The Pistons Are Making the Most of a Clean Slate," 31 Oct. 2017 Still, the Suns submarined them with three consecutive blowout losses, each as lifeless as the next. Rob Mahoney, SI.com, "The 12 Biggest Surprises of the NBA Season So Far," 23 Oct. 2017 Twenty-three bodies may still be inside the sunken remains of a World War I submarine found off the coast of Belgium. Sarah Gibbens, National Geographic, "See the WWI Submarine Discovered Off the Coast of Belgium," 22 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'submarine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of submarine

Adjective

1648, in the meaning defined above

Noun

1703, in the meaning defined at sense 1

Verb

1905, in the meaning defined at transitive sense

Keep scrolling for more

Learn More about submarine

Statistics for submarine

Look-up Popularity

Time Traveler for submarine

The first known use of submarine was in 1648

See more words from the same year

Keep scrolling for more

More Definitions for submarine

submarine

adjective

English Language Learners Definition of submarine

 (Entry 1 of 2)

technical : located below the surface of the water : ,

submarine

noun

English Language Learners Definition of submarine (Entry 2 of 2)

: a ship that can operate underwater

submarine

noun
sub·​ma·​rine | \ ˈsəb-mə-ˌrēn How to pronounce submarine (audio) , ˌsəb-mə-ˈrēn\

Kids Definition of submarine

: a naval ship designed to operate underwater

Keep scrolling for more

Comments on submarine

What made you want to look up submarine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

using a distributed computer network

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!