Main Entry: di·a·tribe

Pronunciation: \ˈdī-ə-ˌtrīb\

Function: noun

Etymology: Latin diatriba, from Greek diatribē pastime, discourse, from diatribein to spend (time), wear away, from dia- + tribein to rub — more at throw

Date: 1581

1 archaic : a prolonged discourse
2 : a bitter and abusive speech or writing
3 : ironic or satirical criticism