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Added 10 October 2026

mordacious

adjective

Latin root: mordax Wiktionary

adjective Definition from Wiktionary (CC BY-SA). More about mordacious at Wordnik → Where our words come from →

Biting, causing a physical bite or sting; corrosive
Sharp or caustic in style or tone.
Sharp in intent, sarcastic.

Origin

From Latin mordax (“given to biting, corrosive”) (from mordere (“to bite, sting”)) + -ious.

From Wiktionary, via Kaikki.org (CC BY-SA)

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