Mendacious

adjective/mɛnˈdeɪʃəs/character
Definition
Untruthful and lying.
Etymology
Borrowed from Middle French mendacieux, from Latin mendācium (“lie, untruth”), from mendāx (“lying”), + -ious.
Synonyms
false, lying, untruthful
In a sentence
  • A mendacious press release that obscured the layoffs.
Tags
Source
vocabx/vocab.csv
added 2025-08-13