exclamation mark

US /ˌek.skləˈmeɪ.ʃən ˌmɑːrk/
UK /ˌek.skləˈmeɪ.ʃən ˌmɑːrk/
"exclamation mark" picture
1.

a punctuation mark (!) indicating an exclamation or strong feeling

:
Remember to use an exclamation mark at the end of a strong statement.
The sentence ended with an exclamation mark, showing excitement.