Search Dictionary
Definition of submarine

submarine

/ˌsʌb.məˈriːn/
sub · ma · rine

Plural:submarines
•
Adjective:submarine
•
Past Simple:submarined
•
Past Participle:submarined
•
Present Participle:submarining
JUMP TO:

submarine Lexical Profile

submarine Game Scores & Validity

• noun

1

A specialized watercraft capable of independent operation underwater, typically used for military, scientific, or exploratory purposes.

Example

"The navy deployed a nuclear submarine to patrol the international waters."


2

American A large sandwich made of a long crusty roll split lengthwise and filled with meats, cheeses, and vegetables.

Example

"For lunch, we ordered a giant Italian submarine from the local deli."

Synonyms
View all synonyms for submarine

• verb

1

North American To pitch a baseball with a pronounced underhand motion so that the release point is near the ground.

Example

"The relief pitcher submarined the ball, completely baffling the batter."


2

To slide or slip underneath something, particularly describing a person sliding under a seatbelt during a vehicular collision.

Example

"The crash test dummy submarined under the lap belt upon impact, revealing a flaw in the seat design."

• Rhymes for submarine

Word Origin & Etymology

Coined in the 17th century from the Latin prefix 'sub-' (under) and 'marinus' (of the sea). The noun use for the underwater vessel emerged in the late 19th century as a shortening of 'submarine boat'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Submarine. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/submarine
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.