资料来源 : Webster's Revised Unabridged Dictionary (1913)

Inopinable \In`o*pin"a*ble\, a. [L. inopinabilis. See
   {Inopinate}.]
   Not to be expected; inconceivable. [Obs.] ``Inopinable,
   incredible . . . saings.'' --Latimer.