idiotical

from The Collaborative International Dictionary of English v.0.48

Idiotic \Id`i*ot"ic\, Idiotical \Id`i*ot"ic*al\, a. [L.
   idioticus ignorant, Gr. ?: cf. F. idiotique. See {Idiot}.]
   1. Common; simple. [Obs.] --Blackwall.
      [1913 Webster]

   2. Pertaining to, or like, an idiot; characterized by idiocy;
      foolish; fatuous; as, an idiotic person, speech, laugh, or
      action.
      [1913 Webster]