men·da·cious 
/mɛnˈdeɪʃəs/ adjective
/mɛnˈdeɪʃəs/ adjective [more mendacious; most mendacious] formal 1 : not honest : likely to tell lies
▪ a mendacious businessman 2 : based on lies
▪ The newspaper story was mendacious and hurtful. ▪ a mendacious political campaign
▪ a mendacious businessman
▪ The newspaper story was mendacious and hurtful. ▪ a mendacious political campaign
— men·da·cious·ly adverb
— men·da·cious·ness noun [noncount]
