mendacious
/mɛnˈdeɪʃəs/ adjective
- adjective (of a person) Lying, untruthful or dishonest. “He was dismissed as a mendacious witness.”
- adjective (of a statement, etc) False or untrue. “mendacious propaganda”
Synonyms
bastard counterfactual erroneous fallacious false off counterfeit fictitious inaccurate incorrect invented made up nonfactual nontrue nontruthful pseudo- spurious untrue untruthful unveracious
Etymology
Borrowed from Middle French mendacieux, from Latin mendācium (“lie, untruth”), from mendāx (“lying”), + -ious.
Webster’s 1913
- adjective Given to deception or falsehood; lying; as, a mendacious person.
- adjective False; counterfeit; containing falsehood; as, a mendacious statement.
Etymology [L. mendax, -acis, lying, cf. mentiri to lie.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “mendacious”, CC BY-SA 4.0. Details