: biting or given to biting
bitten in as with mordacious acidTimes Literary Supplement
: biting or sharp in manner or style : caustic
the lady's mordacious look showed plainly that she hated us allPauline R. Fadiman
mordaciously adverb

Word History


Latin mordac-, mordax biting, given to biting (from mordēre to bite) + English -ious

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Dictionary Entries Near mordacious

Cite this Entry

“Mordacious.” Dictionary, Merriam-Webster, Accessed 23 Jul. 2024.

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