sub
noun
a submarine.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It also called for creating a “Component Repair Center,” essentially a submarine spare parts warehouse, that could quickly ship replacements to subs and repair broken parts.
From The Wall Street Journal ● Aug. 13, 2026
Philly Cheesesteaks, along with new hot Italian subs, have proven popular among younger consumers.
From MarketWatch ● Jul. 30, 2026
I really enjoyed the resilience they showed with 10 men, with the subs coming on and John Stones blocking things, Dan Burn heading every ball clear and Djed Spence making some really important challenges.
From BBC ● Jul. 8, 2026
Subs are making $500 a day, but there are fewer subs than teachers and striking teachers forfeit pay.
From Los Angeles Times ● Apr. 29, 2026
Nuclear-powered subs could have hidden deep underwater for long periods of time—but the navy was still redesigning its nuclear subs.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
