The Collaborative International Dictionary of English v.0.48:

Blamable \Blam"a*ble\ (bl[=a]m"[.a]*b'l), a. [Cf. F.
   bl[^a]mable.]
   Deserving of censure; faulty; culpable; reprehensible;
   censurable; blameworthy. -- Blam"a*ble*ness, n. --
   Blam"a*bly, adv.
   [1913 Webster]