Artificial intelligent assistant

dull-head

ˈdull-head Obs.
  [cf. next.]
  A dull-headed or slow-witted person; a fool, a blockhead.

1549 Coverdale, etc. Erasm. Par. Titus iii. 3 Now for foles and dulleheddes, we be made sobre and wise. a 1568 R. Ascham Scholem. (Arb.) 76 Fooles and dul-hedes to all goodnes. 1624 Gataker Transubst. 146 Neither I, nor any such dull-heads as I am..can easily understand.

Oxford English Dictionary

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