submarine
B2Common in both general and technical/nautical contexts. The noun is neutral. The verb/adjective use is more formal or literary.
Definition
Meaning
A type of watercraft designed to operate completely submerged underwater for extended periods.
Anything that functions, is built, or is positioned beneath the surface, especially of water. Can also refer to a large sandwich on a long roll, particularly in the US (sub). As a verb: to act as or in the manner of a submarine; to move or slide beneath something.
Linguistics
Semantic Notes
Noun senses are highly polysemous, ranging from military tech to food. The verb meaning is often applied metaphorically to describe sudden, concealed, or underwater-like movement. The attributive/adjectival use ('submarine cable') is technical.
Dialectal Variation
British vs American Usage
Differences
The food sense (a long sandwich) is almost exclusively called a 'sub' or 'submarine sandwich' in AmE. In BrE, this is less common; similar sandwiches are more likely called a 'baguette', 'roll', or 'hoagie' (less common). The verb 'to submarine' is rare but understood in both.
Connotations
In both, the primary connotation is military/nautical. In AmE, there is a strong secondary culinary connotation.
Frequency
The food term 'submarine' is of mid-to-low frequency in AmE, being formal for the sandwich (usually just 'sub'). In BrE, 'submarine' for food is very low frequency and may be seen as an Americanism.
Vocabulary
Collocations
Grammar
Valency Patterns
[Submarine] + [verb: dove, surfaced, patrols, operates][Adjective: nuclear, enemy, Russian] + [submarine]to submarine + [preposition: under, beneath, through] + [object]to submarine + [adverb: suddenly, stealthily]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “['Run silent, run deep'] (associated with submarine operations, meaning to proceed cautiously and secretly)”
- “['Submarine a bill'] (AmE, political slang: to delay or sink a legislative bill quietly)”
Usage
Context Usage
Business
Rare, except in specific industries (e.g., 'submarine cable' for telecommunications, 'submarine patents' – patents that surface unexpectedly).
Academic
Common in history (naval history), engineering (naval architecture), and political science (discussions of nuclear deterrence).
Everyday
Common for discussing naval/military topics, history, and (in US) ordering food.
Technical
Core term in naval/marine engineering, military science, and oceanography.
Examples
By Part of Speech
verb
British English
- The defender managed to submarine under the striker's legs to win the ball.
- Rumours about the scandal began to submarine through the newsrooms.
American English
- The quarterback was submarined by a low tackle from the linebacker.
- He tried to submarine the proposal by quietly lobbying against it.
adverb
British English
- This usage is extremely rare. Possibly in poetic contexts: 'The creature moved submarine through the gloom.'
American English
- This usage is extremely rare. Possibly in poetic contexts: 'The creature moved submarine through the gloom.'
adjective
British English
- They laid a new submarine cable across the Atlantic.
- The expedition studied submarine volcanic activity.
American English
- The submarine canyon was explored by a remotely operated vehicle.
- Submarine warfare tactics evolved rapidly during the Cold War.
Examples
By CEFR Level
- We saw a picture of a big submarine in our book.
- The yellow submarine is a famous song.
- The navy has many submarines for protection.
- I ordered a turkey submarine for lunch. (AmE)
- Submarines can stay underwater for months.
- The documentary explained how nuclear submarines are powered.
- The political manoeuvre was designed to submarine the reform bill.
- Submarine cables carry most of the world's internet data.
- The stealth capabilities of modern submarines make them nearly undetectable.
- The journalist's investigation submarined the minister's career by revealing the hidden scandal.
- Patent trolls often employ submarine patents to ambush successful companies.
Learning
Memory Aids
Mnemonic
Think of the parts: 'SUB' (meaning under) + 'MARINE' (related to the sea). So, it's literally an 'under-sea' vessel.
Conceptual Metaphor
Used metaphorically for anything hidden, silent, or operating in a concealed environment before emerging (e.g., a 'submarine patent', a 'submarine candidate' in politics).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'подводная лодка' (the standard term) and 'субмарина' (a direct loanword, also correct). 'Submarine' as an adjective (e.g., submarine cable) is 'подводный'. The sandwich meaning has no direct equivalent.
Common Mistakes
- Mispronunciation: stressing the first syllable too heavily in BrE (it's /ˌsʌb.məˈriːn/, not /ˈsʌb.mə.riːn/).
- Using 'submarine' for a small submersible like a tourist vehicle; 'submersible' is more precise.
- In BrE, calling a sandwich a 'submarine' sounds odd; use more local terms.
Practice
Quiz
In American English, which of these is a common, informal synonym for 'submarine' in a culinary context?
FAQ
Frequently Asked Questions
No, it can also be a verb (to move or act like a submarine) and an adjective (describing things under the sea, e.g., submarine cable).
Typically, a 'submarine' is a large, military or oceanographic vessel capable of independent, long-term operation. A 'submersible' is often smaller, used for research or exploration, and may require support from a surface vessel.
It's primarily American. The name likely comes from the elongated shape of the sandwich roll, which was thought to resemble the hull of a submarine. The term originated in the mid-20th century.
In British English, the primary stress is on the third syllable: /ˌsʌb.məˈriːn/. There is a secondary stress on the first syllable. The 'a' in 'marine' is a long 'ee' sound.