Artificial intelligent assistant

agelast

agelast
  (ˈædʒɪlæst)
  [f. Gr. ἀγέλαστ-ος not laughing; f. ἀ not + γελαστ-ός laughable, γελαστ-ής a laugher; f. γελά-ειν to laugh.]
  One who never laughs.

1877 G. Meredith in Times 5 Feb. 4/5 Men whom Rabelais would have called agelasts or non-laughers.

Oxford English Dictionary

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