Sardonic (sar-don-ic) An adjective originating from an alteration of “sardonian” with influence from French’s “sardonique”, Latin’s “sardoni”, and Greek “sardonios” of Sarinia from approximately 1630 to 1640. Initially a reference to a Sardinian plant which induced death by convulsive laughter after being consumed or eaten
Meanings: derisive mocking, sneering, or bitter scorn. Also, grim mocking, cynical disdain, or skeptical humor.
Ex. The person’s ex-spouse let off a sardonic grin mid-court during the divorce proceedings.