Artificial intelligent assistant

unseaworthy

unˈseaworthy, a.
  (un-1 7.)

1820 Tomlins Law Dict. (ed. 3) I. s.v. Insurance, A ship..sailed on her voyage in an unseaworthy state. 1857 Dickens Dorrit ii. xxvi, Drowning men clinging to unseaworthy spars. 1896 ‘H. S. Merriman’ Sowers xxxiv, A sailor never believes that his own ship is unseaworthy.

Oxford English Dictionary

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