MENDACIOUS Meaning of MENDACIOUS in English transcription, транскрипция: [ menˈdeɪʃəs ]adj. lying, untruthful. øømendaciously adv. mendacity n. (pl. -ies). [L mendax -dacis perh. f. mendum fault] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012