Translation

虚偽 / 嘘をつく性質 / 不誠実

Meaning

Mendacity is the quality or habit of lying, especially in a serious, deliberate, or public way. It is a formal word for dishonesty, not a casual word for one small mistake.

Examples

• その調査は幹部の不誠実さを明らかにしました。
  The investigation exposed the executive's mendacity.
• 彼女は公的な嘘を厳しく批判しました。
  She condemned the mendacity of the public statement.