What is the definition of the word lie? What does it mean?

Well to begin with a lie is an untruth, To tell that which is not true.

A lie is a deliberate statement or action made with the intention to deceive or mislead. It is a false or misleading statement given in order to conceal the truth or manipulate a situation. Lying involves intentionally providing inaccurate or false information, often in order to gain an advantage, avoid punishment, or protect oneself or others from consequences.