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 Farther afield, in the aftermath of the 2019–2020 Australian Black Summer wildfires, a widespread bloom of marine algae was detected downwind of the continent in the Southern Ocean. Chris Mays, Scientific American, 23 June 2022 Sea Tow, recognized throughout the marine industry as Your Road Service at Sea®, has been on the forefront of on-water assistance since 1983, serving boaters with over 500 ports nationwide including Puerto Rico and the U.S. Virgin Islands. Michele Kerrigan, Sun Sentinel, 23 June 2022 In the European Union, almost half of marine habitats have been labeled as endangered or near threatened. Tori Latham, Robb Report, 21 June 2022 Much of the waste has ended up in oceans, threatening to disrupt marine life and pollute beaches. Adela Suliman,, 21 June 2022 Most of the waste has ended up in oceans, threatening to disrupt marine life and pollute beaches. Adela Suliman, Washington Post, 21 June 2022 These forced the ship to divert to the Azores for repairs and then later forced ProMare, the marine charity spearheading the project with technology support from IBM, to alter the ship’s landing destination from Virginia to Halifax. Jeremy Kahn, Fortune, 21 June 2022 Kilby is also a marine patrol officer for the town of Coventry and was hired to ramp up enforcement at Coventry Lake this season. Stephen Underwood, Hartford Courant, 20 June 2022 Local authorities don’t have a standardized approach for tracking rip-related occurrences, but Parks Canada responded to 82 marine and coastal incidents near Lovekin Rock between 2004 and 2015. Chloe Williams, The Atlantic, 20 June 2022 Recent Examples on the Web: Noun Marine Corps veterans, Gold Star families, active duty Marines and a film crew mingled in anticipation for what lay ahead as the sun rose behind the clouds of the Pacific marine layer at Camp Pendleton. San Diego Union-Tribune, 18 June 2022 Montage Los Cabos sits on one of the only swimmable beaches in its area, Santa Maria Bay, a pristine marine preserve known for calm, clear waters and perfect snorkeling conditions. Nina Ruggiero, Travel + Leisure, 16 June 2022 Both women entered the world of design with automotive interests in mind and ended up in marine. Julia Zaltzman, Robb Report, 17 May 2022 Southern Ocean marine ecosystems in real-time, year-round with minimal impact on wildlife. Elizabeth Gamillo, Smithsonian Magazine, 5 May 2022 Add the weight of other supplies and it’s apparent that every marine, soldier and border guard in the sprawling Azovstol complex—with its layers of underground bunkers and tunnels—would require his own drone delivery, every day. David Axe, Forbes, 4 May 2022 That product, which protects ships for trips taken throughout a year, typically costs 0.04% of a ship’s value, said Marcus Baker, global head of marine and cargo at the insurance broker Marsh Inc., a unit of Marsh McLennan Cos. Julie Steinberg, WSJ, 7 May 2022 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 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

25 Jun 2022

Cite this Entry

“Marine.” Dictionary, Merriam-Webster, Accessed 28 Jun. 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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