Definition of "submarine"
- adjective
Under water.
Hidden or undisclosed.
- noun
A boat that can go underwater.
A kind of sandwich made in a long loaf of bread.
Pitch delivered with an underhand motion.
Any submarine plant or animal.
A stowaway on a seagoing vessel.
- verb
To operate or serve on a submarine.
To torpedo; to destroy with a sudden sneak attack.
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