The word "inerrable" is an adjective which means unable to make mistakes, flawless or infallible. Some common antonyms (opposites) for the word "inerrable" include fallible, faulty, incorrect, flawed, erroneous and imperfect. These words imply that there is a possibility of errors or mistakes occurring, which is the opposite of what "inerrable" describes. It's essential to understand that no person or thing can be entirely inerrable, which is why it's essential to have a healthy level of skepticism and questioning. Even the most reliable sources are prone to errors, and it's crucial to acknowledge this fact to avoid blindly accepting information without proper scrutiny.