Definition of "mordacious" []

• Given to biting; biting. (adjective)
• Caustic; sarcastic. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""You must forgive the Maestra for her characteristic mordacious tone, Consejal Pejeno," Betina du Zabala of the Gremio Poetica said, smiling oddly at her great rival."
• "But with one great and splendid virtue was he endowed in the eyes of the enemies of the House of Borgia -- contemporary, and subsequent down to our times -- a most profound, unchristian, and mordacious hatred of all"
• "Calvinist, vented in his writings a mordacious hatred of the Papacy and of the religion from which he had seceded."