What Is Another Word For Inability?

What Is Another Word For Inability? OTHER WORDS FOR inability incapability, incapacity, impotence, incompetence. What is a synonym for not able? Find another word for unable. In this page you can discover 34 synonyms, antonyms, idiomatic expressions, and related words for unable, like: inefficacious, incapable, inefficient, impuissant, able, unable-to, cannot, powerless, ineffective, weak and helpless.