An exclamation point or exclamation point (! ) is a punctuation mark commonly used to express strong and intense emotions in statements. It can also be used to add emphasis to interjections and commands.
1. (Grammar) the punctuation mark ! used after exclamations and vehement commands
2. (Printing, lithography and binding) this mark is used for any other purpose, as to draw attention to an obvious error, in warning signs on the road, (in chess comments) next to the notation of a play that is considered good, (in mathematics) as a symbol of the factorial function, or (in logic) what happens with an existential quantifier