Artificial intelligent assistant

defamer

defamer
  (dɪˈfeɪmə(r))
  Also 5 deff-, 5–6 diff-, dyff-.
  [f. defame v. + -er. Cf. OF. diffameur, deffameur.]
  One who defames.

a 1340 Hampole Psalter v. 10 Bakbiters and defamers. 1481 Caxton Reynard (Arb.) 96 A deffamer of wymmen. 1550 Nicolls Thucyd. Pref. 3 (R.) Pryuye dyffamours of dylygent and vertuous laboure. 1654 Whitlock Zootomia 460 Blushes for the Defamer, as well as Defamed. 1797 Mrs. Radcliffe Italian ii, Impatient to avenge the insult upon the original defamer.

Oxford English Dictionary

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