Artificial intelligent assistant

infatigable

inˈfatigable, a. Obs.
  [a. F. infatigable (15–16th c. in Hatz.-Darm.), ad. L. infatīgābilis, f. in- (in-3) + fatīgābilis fatigable.]
  Incapable of being wearied; untiring, indefatigable.

c 1510 More Picus Wks. 15/1 With much watch and infatigable trauaile. 1591 R. Turnbull St. James 207 Albeit the deuill be infatigable, and neuer wearied. 1677 Gale Crt. Gentiles iii. 144 An infatigable and invincible champion of Free-grace against Free-wil. 1713 Lond. Gaz. No. 5122/3 The infatigable Application of Your Ministry.

  Hence infatigaˈbility, inˈfatigably adv.

1652 Kirkman Clerio & Lozia 70 Those perceptive eyes which are infatigably open to behold thy actions. 1709 Brit. Apollo II. No. 64. 2/2 Incessant Infatigability hath render'd Thee..Verbose.

Oxford English Dictionary

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