ma·​rine | \ mə-ˈrēn How to pronounce marine (audio) \

Definition of marine

 (Entry 1 of 2)

1a : of or relating to the sea marine life marine biology
b : of or relating to the act or practice of sailing over the sea : nautical a marine chart
c : of or relating to the commerce (see commerce entry 1 sense 2) of the sea : maritime marine law
d : depicting the sea, seashore, or ships a marine painter
2 : of or relating to marines (see marine entry 2 sense 2) marine barracks



Definition of marine (Entry 2 of 2)

1a : the mercantile and naval shipping of a country
b : seagoing ships especially in relation to nationality or class
2 : one of a class of armed services personnel serving on shipboard or in close association with a naval force specifically : a member of the U.S. Marine Corps
3 : an executive department (as in France) having charge of naval affairs
4 : a marine picture : seascape

Synonyms for marine

Synonyms: Adjective

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Examples of marine in a Sentence

Adjective marine animals such as dolphins and whales he loves collecting little marine creatures while at the beach Noun He is a former U.S. Marine. the U.S. Army, Navy, Air Force, and Marines
Recent Examples on the Web: Adjective While orca sightings off the coast of New England are uncommon, the apex predators have made their presence known before, including in the waters near Cape Cod, marine experts said Tuesday. Globe Staff,, 17 May 2022 How exactly sea turtles, fish, birds and other marine wildlife reach their target destinations has stymied scientists, including Charles Darwin, for decades. Sarah Kuta, Smithsonian Magazine, 16 May 2022 David Mockett, a British marine surveyor living in Aden, Yemen, was asked by a firm hired by the Brillante’s insurers to figure out what exactly had happened. Philip Delves Broughton, WSJ, 15 May 2022 Poseidon, which is owned by Brookfield Infrastructure Partners, conducted additional studies and resubmitted the plan with a proposal to mitigate marine damage through restoration of nearby wetlands. Amy Taxin, ajc, 13 May 2022 Gumbo Limbo Nature Center Gumbo Limbo Nature Center in Boca Raton, whose mission is to inspire stewardship of coastal and marine ecosystems, was founded in 1984 and is a beacon for environmental education, research, and conservation. Miriam Porter, Forbes, 13 May 2022 This is just a snapshot of one lake, said Jennifer Savage of Surfrider — a nonprofit fighting for plastic reduction in marine environments and coastal preservation. Los Angeles Times, 13 May 2022 Local marine biologists suspect that a driving cause is likely noise pollution from warships in the north. Naomi Cohen, NBC News, 13 May 2022 When the Deepwater Horizon oil rig exploded on April 20 in the Gulf of Mexico, the result was the largest marine oil spill in history, with 134 million gallons of oil spreading through the Gulf. Manasee Wagh, Popular Mechanics, 12 May 2022 Recent Examples on the Web: Noun Reed, a discharged marine and University of North Texas student who was visiting Moscow in 2019 when he was arrested, was imprisoned in Russia for nearly three years while Whelan has been there for approximately four years. Ariana Garcia, Chron, 29 Apr. 2022 The area is cherished for its rich marine and animal life fostered by seasonal sea ice, a rarity along this latitude of the Northern Hemisphere. Washington Post, 24 Apr. 2022 Scott, who was a businessman, partnered with engineer Elbert Hall and manufactured high- performance internal combustion engines for aircraft, marine and truck engines. Regina Cole, Forbes, 14 Mar. 2022 Ann-Marie Jacoby, a Duke University marine and conservation scientist, peered through binoculars, then smiled in recognition. Christina Larson, Baltimore Sun, 7 Apr. 2022 This is all credited to a potent combination of marine and plant ingredients including padina pavonica, chlorella, and antioxidant-rich ginkgo biloba (translation: brown algae, green microalgae, and a tree native to China, respectively). Hannah Freedman, Travel + Leisure, 25 Mar. 2022 Freedom for a third American — a former marine who Venezuelan officials insist is a covert American operative — came close to happening but didn’t. Washington Post, 25 Mar. 2022 The Ukrainian military has released a statement thanking a marine for allegedly sacrificing himself in order to demolish a bridge that would allow Russian tanks to advance. Fox News, 25 Feb. 2022 Sofia Carson stars in and executive produces this movie adaptation of Tess Wakefield's book about an aspiring singer-songwriter who falls for a marine. Kelsie Gibson,, 4 Feb. 2022 See More

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

First Known Use of marine


15th century, in the meaning defined at sense 1a


1669, in the meaning defined at sense 1a

History and Etymology for marine

Adjective and Noun

Middle English, from Latin marinus, from mare sea; akin to Old English mere sea, pool, Old High German meri sea, Old Church Slavonic morje

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Time Traveler for marine

Time Traveler

The first known use of marine was in the 15th century

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Dictionary Entries Near marine



marine architect

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Statistics for marine

Last Updated

20 May 2022

Cite this Entry

“Marine.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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More Definitions for marine


ma·​rine | \ mə-ˈrēn How to pronounce marine (audio) \

Kids Definition of marine

 (Entry 1 of 2)

1 : of or relating to the sea marine animals
2 : of or relating to the navigation of the sea : nautical marine charts
3 : of or relating to soldiers in the United States Marine Corps marine barracks



Kids Definition of marine (Entry 2 of 2)

1 : a soldier of the United States Marine Corps
2 : the ships of a country

More from Merriam-Webster on marine

Nglish: Translation of marine for Spanish Speakers

Britannica English: Translation of marine for Arabic Speakers Encyclopedia article about marine


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