Artificial intelligent assistant

caviller

caviller
  (ˈkævɪlə(r))
  [f. cavil v. + -er.]
  One who cavils; a captious or frivolous objector, a quibbling disputant.

1574 Whitgift Def. Aunsw. 429 (R.) You are but a shifting cauiller. 1667 Phil. Trans. II. 505 Of greater moment than perhaps Detractors and Cavillers imagine. 1759 Johnson Rasselas xxx, That it is doubted by single cavillers, can very little weaken the general evidence. 1869 Spurgeon J. Ploughm. Talk 17 Cavillers..find fault for the sake of showing off their deep knowledge.

Oxford English Dictionary

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