"Impaint" is not a commonly used word, and its spelling can be confusing. The word is spelled "im-paint" and is pronounced /ɪmˈpeɪnt/. It means to paint over or to cover up. The "im-" prefix in this word means "not" or "opposite," while "paint" refers to the act of applying color to a surface. Its usage is mostly limited to academic or literary contexts when describing the covering or concealing of something.