"Imperfectible" refers to something that cannot be improved or made perfect. Its antonyms are words that denote the opposite meaning, indicating something that can be improved, enhanced or perfected. Some of the most commonly used antonyms for "imperfectible" include perfectible, correctable, improvable, fixable, and amendable. Other suitable antonyms include malleable, adaptable, alterable, and modifiable. These antonyms show the flexibility and possibility of something to be improved, fixed or made better. In contrast, "imperfectible" portrays the idea of limitation, implying that something is not capable of further improvement or modification.