Source : Webster's Revised Unabridged Dictionary (1913)

Disproportionable \Dis`pro*por"tion*a*ble\, a.
   Disproportional; unsuitable in form, size, quantity, or
   adaptation; disproportionate; inadequate. --
   {Dis`pro*por"tion*a*ble*ness}, n. --Hammond. --
   {Dis`pro*por"tion*a*bly}, adv.