IMPERFECTIBLE
Meaning of IMPERFECTIBLE in English
— imperfectibility , n.
/im'peuhr fek"teuh beuhl/ , adj.
that cannot be perfected.
[ 1865-70; IM- 2 + PERFECTIBLE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012