Definition of mordacious in English:

mordacious

Syllabification: mor·da·cious
Pronunciation: /môrˈdāSHəs
 
/

adjective

formal
  • 1Denoting or using biting sarcasm or invective.
    More example sentences
    • You've barely spoken a word all night, and haven't uttered so much as one mordacious comment.
    • His mordacious warnings about the bleak future of NATO.
    • The more he intermingles mordacious taunts with earnest reflections on the feelings of a man suffocated by a less than satisfying matrimony, the harder it is to take him seriously.
  • 2(Of a person or animal) given to biting.
    More example sentences
    • A small-scale musical in which that mordacious man-about-necks (Dracula) figures prominently.

Origin

mid 17th century: from Latin mordax, mordac- 'biting' + -ious.

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