SINCE 1828

An Encyclopædia Britannica Company

Thesaurus

submarine

adjective

Synonyms and Antonyms of submarine

living, lying, or occurring below the surface of the water the submarine fossils that are to be found in coral reefs Synonyms aquatic, underwater, submerged, sunkenRelated Words oceanic; undersea; abysmal, abyssal, deep, deep-sea, deepwater

submarine

noun

Synonyms and Antonyms of submarine

a large sandwich on a long split roll always orders a roast beef submarine with the works Synonyms Cuban sandwich, grinder, hero, hoagie (also hoagy), Italian sandwich, po'boy (also poor boy), sub, torpedo

Learn More about submarine

Dictionary: Definition of submarine Spanish Central: Translation of submarine Nglish: Translation of submarine for Spanish speakers Britannica English: Translation of submarine for Arabic speakers Britannica.com: Encyclopedia article about submarine

Seen and Heard

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

show

WORD OF THE DAY

flagrant

play

conspicuously offensive

BROWSE THESAURUS

sublimeness

sublunary

submarine

submerge

submerged

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

Which came first?

sarcastic snarky

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

Dictionary Devil

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

TAKE THE QUIZ

Words at Play

alt-599ca1388698f

Drawing a Conclusion About "Sketchy"

How did "sketchy" come to describe creeps?

2-pairs-of-scissors

What's the Singular of 'Scissors'?

A tricky, double-edged word origin.

a-woman-waits-at-the-end-of-a-gloomy-pier-does-she-wait-for-charon-the-ferryman-to-the-underworld-it-is-dark-but-she-carries-a-parasol

Great Words for Twilight and Darkness

Words for the goth in all of us

bunch-of-yellow-balloons-lit-by-the-sun

Helium: This Word Brought to You by a Solar Eclipse

And by the Sun, with some help from Greek.

Ask the Editors

video-title-words-of-the-year-1066

Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless

Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals

Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

time-traveler-quiz-which-word-came-first

Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz

Name More Food!

Test your knowledge of food vocabulary!

Take the quiz

True or False?

Test your knowledge - and maybe learn something along the way.

Take the quiz

Dictionary Devil

Dictionary Devil

The dictionary has been scrambled—can you put it back together?

Play the game