What is liar definition?

A liar is someone who intentionally and repeatedly makes false statements with the intent of deceiving or misleading others. The act of lying can have various motivations, such as to avoid consequences, to gain personal advantage, or to manipulate others. Lying is generally considered unethical and dishonest behavior, and it can have negative consequences for the liar as well as for those who are misled by their falsehoods. Some people may be considered pathological liars, who habitually and compulsively lie without regard for the truth or the consequences of their actions. Overall, lying is a complex human behavior that has been studied extensively by psychologists, sociologists, and other scholars.