1
a
: 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
1
a
: 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
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
Scott Dance, Washington Post, 22 June 2024
When combined with estimates for the availability of fishing and other marine foods, the team believes Rapa Nui could have sustained a population of 3,901 people.
—Katie Hunt, CNN, 21 June 2024
Kasha Patel, Washington Post, 19 June 2024
The 13 marines who volunteered were trained in historical combat, fitted with sensors that monitored their performance, and fed roughly 4,500 calories worth of goat cheese, roasted meat, olives, bread, water, wine, and other Bronze Age culinary delicacies.
—Jacek Krywko, Ars Technica, 30 May 2024
See all Example Sentences for marine 
Adjective
As seas rise, others are exploring how to harness marine energy.
—Scott Dance, Washington Post, 22 June 2024
When combined with estimates for the availability of fishing and other marine foods, the team believes Rapa Nui could have sustained a population of 3,901 people.
—Katie Hunt, CNN, 21 June 2024
Noun
Many of those pollutants can run off and affect marine and plant life.
—Kasha Patel, Washington Post, 19 June 2024
The 13 marines who volunteered were trained in historical combat, fitted with sensors that monitored their performance, and fed roughly 4,500 calories worth of goat cheese, roasted meat, olives, bread, water, wine, and other Bronze Age culinary delicacies.
—Jacek Krywko, Ars Technica, 30 May 2024
See all Example Sentences for marine
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'marine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near marine
Cite this Entry
“Marine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marine. Accessed 4 Jul. 2024.
Copy CitationKids Definition
marine
2 of 2 noun1
: the commercial and naval shipping of a country
2
: one of a class of soldiers serving aboard ship or in association with a naval force
especially
: a member of the U.S. Marine Corps
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