the use of caustic and ironic language used to express contempt or bitterness, esp towards an individual
the use of such language
sarcastic /sahʹkastik/ adj
sarcastically /sahʹkastikli/ adv
[French sarcasme via late Latin from Greek sarkasmos, from sarkazein to tear flesh, bite the lips in rage, sneer, from sark-, sarx flesh]