Unsup*port"a*bly

from The Collaborative International Dictionary of English v.0.48

Unsupportable \Un`sup*port"a*ble\, a.
   Insupportable; unendurable. -- {Un`sup*port"a*ble*ness}, n.
   --Bp. Wilkins. -- {Un`sup*port"a*bly}, adv.
   [1913 Webster]