Artificial intelligent assistant

grumness

grumness
  (ˈgrʌmnɪs)
  [f. grum a. + -ness.]
  The quality of being ‘grum’.

1675 Wycherley Country Wife i. (1675) 11 Well, Jack, by thy long absence from the Town, the grumness of thy countenance, and the slovenlyness of thy habit; I shou'd give thee joy, shou'd I not, of Marriage? 1842 J. F. Cooper Jack o' Lantern I. 155 The English peculiarity of grumness.

Oxford English Dictionary

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