Definition of mordacious in English:
1Denoting or using biting sarcasm or invective.
- 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.
Definition of mordacious in:
- British & World English dictionary