MENDACIOUS

PRONUNCIATION: (men-DAY-shuhs)

MEANING: adjective: Telling lies, especially as a habit.

ETYMOLOGY: From Latin mendac-, stem of mendax (lying), from mendum (fault or defect) that also gave us amend, emend, and mendicant. Earliest documented use: 1616.
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AMENDACIOUS - changing frequently what one has written or promulgated

MENTACIOUS - full of thoughts about the chin

MENACIOUS - threatening