Search Result for "imperfectible": 
Wordnet 3.0

ADJECTIVE (1)

1. capable of being made imperfect; 



The Collaborative International Dictionary of English v.0.48:

Imperfectible \Im`per*fec"ti*ble\, a.
   Incapable of being made perfect. [R.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

imperfectible
    adj 1: capable of being made imperfect