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

Shortened form of any of various words beginning sub-, such as submarine, subroutine, substitute, subscription. The sandwich is so called because the bun's cylindrical shape …

to act as a substitute for another. to act as the submissive partner in a BDSM sexual encounter or relationship. Photography., to coat (a film or plate) with a substratum.

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.

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

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 …