1The politician was accused of being a liar after it was discovered that he had made false promises to his constituents.
2Is it ever acceptable to call someone a liar, even if you know they are not telling the truth?
3She was known to be a liar and was not trusted by her friends or family.
4If you catch someone in a lie, it's best to confront them directly rather than calling them a liar behind their back.
5The company's CEO was fired after it was revealed that he was a liar who had been hiding the company's financial troubles from investors.