What are the opposite words for truthfulness?

Truthfulness, also known as honesty or sincerity, can be described by a set of opposed words called antonyms. These words describe the opposite of truthfulness and are commonly used to convey a sense of deceit, dishonesty, or insincerity. Some of the antonyms for truthfulness are falseness, deceitfulness, dishonesty, insincerity, mendacity, and duplicity. These words are often used to connote a lack of trust, credibility, or authenticity. People who are associated with these traits are often looked down upon or criticized for their actions, and the consequences of their behavior can be severe. Therefore, it is essential to cultivate a sense of truthfulness in our lives to build trust and goodwill with others.