adj. 1
Belonging to or characteristic of the sea; existing or found in the sea; formed or produced by the sea.
n. 1
A soldier, normally a member of a marine corps, trained to serve on board or from a ship.
He was a marine in World War II.

Related words

Word family: marinescape
Phrases: merchant marine marine mucilage marine science marine snow caustic marine alkali marine aerodrome marine chronometer marine corps
Is a kind of: aquatic

Forms

Plural: marines → leathernecks, seas, navies, jarheads…

Choose the right word

Marine, Mare, Maritime or Ocean?

mare, sea) signifies belonging to the ocean, maritime, a secondary derivative from the same root, bordering on or connected with the ocean; as, marine products; marine animals; maritime nations; maritime laws.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

naval Algeria needs a better naval modernization policy.
maritime Algeria needs to develop its maritime industry.
nautical A nautical mile is equal to 1.1508 statute miles.

Popularity over time

Word	1850 → 2019	Trend
marine		falling
naval		falling
maritime		steady
nautical		falling
oceanic		falling

Use in printed books, per decade from 1850 to 2019.

By length

3 letters: sea¹
4 letters: navy²
5 letters: naval²
7 letters: aquatic³, oceanic⁴, pelagic³, jarhead
8 letters: maritime³, nautical³
9 letters: seafaring
10 letters: thalassoid
11 letters: leatherneck

The small number after each word is its number of syllables (navy² = 2 syllables).