Does job is a phrase that describes something that fulfills its intended purpose or function. Antonyms for this phrase could include terms such as inadequate, inefficient, ineffective, or insufficient. If something does not do its job, it may be described as failing, falling short, or being inadequate. Additionally, antonyms for does job could include words that describe something that actively works against its intended purpose, such as malfunctioning or counterproductive. It is important to be able to identify antonyms for commonly used phrases like does job in order to accurately describe and communicate whether something is working as intended or not.