The phrase "answering purpose" refers to the reason or intention behind a given action, but there are several antonyms that reflect opposite meanings. One such antonym is "aimless," which suggests a lack of direction or purpose. "Unproductive" and "futile" are other antonyms that imply a lack of effectiveness or useful outcome. Alternatively, "devious" and "disingenuous" reflect a less-than-honest motive, while "self-serving" implies an intent that benefits only oneself. "Distracting" is another antonym that suggests a deviation from the intended purpose. Ultimately, identifying the antonyms of "answering purpose" can help to clarify intentions and motivate a more effective course of action.