Translation

嘘をつく / 不誠実な / 虚偽の

Meaning

Mendacious describes a person, habit, or account that is dishonest and deliberately untruthful. It is a severe, formal word, not a mild synonym for wrong.

Examples

• その評論家は彼を嘘つきの政治家だと呼びました。
  The critic called him a mendacious politician.
• その証言は不誠実で意図的に誤解を招くものでした。
  The testimony was mendacious and deliberately misleading.