A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.)

Add to word list a ship that can travel under water: a nuclear submarine (Definition of submarine from the Cambridge Academic Content Dictionary © Cambridge University Press)

The meaning of SUBMARINE is underwater; especially : undersea. How to use submarine in a sentence.

Nov 21, 2025 · A submarine is any naval vessel that is capable of propelling itself beneath the water as well as on the water’s surface. This is a unique capability among warships, and …

Submarine definition: a vessel that can be submerged and navigated under water, usually built for warfare and armed with torpedoes or guided missiles.. See examples of SUBMARINE used in …

Definition of submarine noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

There are nine meanings listed in OED's entry for the word submarine, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Master the word "SUBMARINE" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

A submarine is a watercraft capable of independent operation underwater. Submarines are often used by navies as vessels for warfare and reconnaissance, as they can remain submerged for …

submarine definition: vessel designed for underwater navigation. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "submarine …