What is liar meaning?

Liar refers to a person who deliberately speaks or presents false information in order to deceive or mislead others. This involves intentionally telling an untruth or misrepresenting the truth in order to gain an advantage, avoid consequences, or manipulate others. Lying can also refer to the act of concealing or withholding information, or giving an untrue impression. It is generally considered a negative characteristic and can erode trust and credibility in personal and professional relationships.