A lie is a statement used intentionally for the purpose of deception.
The practice of communicating lies is called lying, and a person who communicates a lie may be termed a liar.
Lies may be employed to serve a variety of instrumental, interpersonal, or psychological functions for the individuals who use them. Generally, the term "lie" carries a negative connotation, and depending on the context a person who communicates a lie may be subject to social, legal, religious, or criminal sanctions.