ˈdīə.ˌtrīb noun
( -s )
Etymology: Latin diatriba, from Greek diatribē pastime, study, discourse, from diatribein to spend (time), wear away, from dia- + tribein to rub — more at throw
1. archaic : a prolonged discourse or discussion
2.
[French, from Middle French, prolonged discourse, from Latin diatriba ]
a. : a bitter, abusive, and usually lengthy speech or piece of writing
the melancholy diatribes of the old prophets — Richard Chase
a diatribe against Nero — Berthe M. Marti
b. : bitter and abusive speech or writing
to be irritated or offended by such diatribe — Time
3. : ironical or satirical criticism