Prefix: SUB-
Prefix: SUB-

Have you ever seen a submarine?
A submarine is a type of boat that is designed to go underwater. The parts of the word submarine tell you that is designed to go underwater. How do they do that?
The word submarine contains the prefix sub-.
A prefix is a word or group of letters that are placed at the beginning of a word. They change the meaning of the word and help you understand the word.
Sub- is a prefix that means down, below, or under. Submarine is a type of boat that goes down, below, or under the water.
Watch the video below to learn more words that begin with the prefix sub-.
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