The word "in-corrigible" refers to someone or something that cannot be corrected or reformed. Its antonyms include "correctable," "improvable," "reformable," "malleable," and "adjustable." These words suggest that someone or something can be changed or modified, given the right motivation or approach. For instance, a student who shows a willingness and ability to learn can be seen as correctable, while an object that is malleable can be reshaped to suit a desired form. Overall, these antonyms give hope that any behaviors, habits or situations regarded as in-corrigible can be modified with effort and willingness to grow.