imperfectible

[ im-per-fek-tuh-buh l ]
/ ˌɪm pərˈfɛk tə bəl /

adjective

that cannot be perfected.

Origin of imperfectible

First recorded in 1865–70; im-2 + perfectible

OTHER WORDS FROM imperfectible

im·per·fect·i·bil·i·ty, noun