mendacious

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++men·da·cious /menˈdeɪʃəs/ adjective formal DISHONESTnot truthful 不真实的，虚假的 mendacious propaganda 虚假的宣传 —mendaciously adverb

Examples from the Corpus

mendacious• But Legasov's reassurance at Vienna was not as mendacious as many believed.• a secretive and mendacious government• If they carry on confounding chronology in this mendacious manner, they are likely to hit 30 as I reach 60.Origin mendacious (1600-1700) Latin mendax