"Sic" is a Latin word that means "thus," "so" or "in such a manner."
"Sic" indicates that incorrect spelling or unusual phrasing was reproduced verbatim from an original quotation and wasn't introduced by the current writer.
"Sic" is usually italicized and enclosed in brackets or parentheses. It is placed immediately after the questionable word or phrase.
"Sic" is used to denote that archaic words or phrases appeared in the original historical document.
"Sic" can be used in a story to draw attention to a spelling or grammatical error for humorous purposes.