1. the use of irony to mock or convey contempt:"his voice, hardened by sarcasm, could not hide his resentment"
Word Originmid 16th century: from French sarcasme, or via late Latin from late Greek sarkasmos, from Greek sarkazein ‘tear flesh’, in late Greek ‘gnash the teeth, speak bitterly’ (from sarx, sark- ‘flesh’).