sarcasm One entry found. sarcasm Main Entry: sar·casm Listen to the pronunciation of sarcasm Pronunciation: \ˈsär-ˌka-zəm\ Function: noun Etymology: French or Late Latin; French sarcasme, from Late Latin sarcasmos, from Greek sarkasmos, from sarkazein to tear flesh, bite the lips in rage, sneer, from sark-, sarx flesh; probably akin to Avestan thwarəs- to cut Date: 1550 1: a sharp and often satirical or ironic utterance designed to cut or give pain"
I don't see anything about humor there.