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Mendacious vs Duplicitous - What's the difference?

mendacious | duplicitous |

As adjectives the difference between mendacious and duplicitous

is that mendacious is (of a person) lying, untruthful or dishonest while duplicitous is given to or marked by deliberate deceptiveness in behavior or speech.

mendacious

English

Adjective

(en adjective)
  • (of a person) Lying, untruthful or dishonest.
  • (of a statement etc) False or untrue.

    • duplicitous

    English

    Adjective

    (en adjective)
  • Given to or marked by deliberate deceptiveness in behavior or speech.

    • Synonyms

    * deceitful, double-dealing, two-faced

    Related terms

    * duplicate * duplicitously * duplicitousness * duplicity