Definitions
1.Punctuation markDenoting excitement, surprise, shock or sudden realizations.
Expresses excitement, anger or other emotion."What a beautiful day!; I had no idea!; How is that possible?!; After he finished his drink — his fifth! — he left the room.; After he finished his fifth drink (!), he left the room.; Character #1: "The zombie is right behind you!"Character #2: "!""
2.Punctuation markExpresses excitement, anger or other emotion."What a beautiful day!"
3.Punctuation markReplacing a period at the end of a declarative sentence."I had no idea!"
4.Punctuation markFollowing a question mark at the end of an interrogative sentence."How is that possible?!"
5.Punctuation markAt the end of an interjection that is set off by dashes or parentheses."After he finished his drink — his fifth! — he left the room."
6.Punctuation markIn parentheses, see (!)."After he finished his fifth drink (!), he left the room."
7.Punctuation markUsed between words to add emphasis to an exclamation or imperative.
8.Punctuation markUsed in some comics instead of the period (.), ending all sentences, except those that use question marks, ellipses, etc.
9.Punctuation markUsed by itself to convey that a character is surprised at something."Character #1: "The zombie is right behind you!"Character #2: "!""
10.Punctuation markUsed to convey that a character has made a sudden realization.
11.Punctuation markUsed to indicate emphasis in sign language glosses.
12.Punctuation markPlaced after a herbarium abbreviation to indicate that the mentioned material held there has been examined directly by the author.
13.Punctuation markUsed to join a descriptor, such as a trait, with its referent, usually a character or relationship."She particularly prefers to read fanfiction about hurt!Spock."
14.SymbolThe factorial: the result of a multiplication of all integers from 1 to the given number."5! = 5 × 4 × 3 × 2 × 1 = 120; "five factorial equals 120""
15.SymbolAn indicator of a good move.
16.SymbolA Boolean negation, the not operator, serving to invert the truth value of what follows.
17.SymbolFormerly used as a separator between hostnames in an e-mail address for the purpose of routing a message (called bang path notation).
18.SymbolUsed as a separator between a user's nickname and ident.
19.SymbolIn glosses, marks a word as imperative."manĝi, manĝu, manĝis "eat, eat!, ate""