The meaning of SUB is substitute. How to use sub in a sentence.

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The sub was to approach an enemy ship on the surface, then dive under her, and surface again beyond her on the other side.

SUB definition: 1. short for substitute: a sports player who is used for part of a game instead of another player…. Learn more.

Sub- is added to the beginning of adjectives in order to form other adjectives that describe someone or something as inferior, for example inferior to normal people or to normal things.

short for several words eg submarine, ~subscription etc. He's the commander of a sub; Several people still haven't paid their subs. Kernerman English Multilingual Dictionary © 2006-2013 K …

5 hours ago · After 20 years, Subway is bring the Sub Club back. Here's what to know.