Search Result for "imperfectibility": 
Wordnet 3.0

NOUN (1)

1. the capability of becoming imperfect; 



The Collaborative International Dictionary of English v.0.48:

Imperfectibility \Im`per*fec`ti*bil"i*ty\, n.
   The state or quality of being imperfectible. [R.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

imperfectibility
    n 1: the capability of becoming imperfect [ant:
         perfectibility]