What are the opposite words for useful?

Antonyms are words that are opposite in meaning to a particular word. For the word "useful," the opposite or antonyms could be unhelpful, pointless, needless, impractical, worthless, and futile. These are words that suggest little or no benefit or value. An unhelpful item, for instance, could be something that is not designed to serve any particular purpose or something that fails to deliver on its purpose. While a pointless or futile effort is an effort that lacks a clear objective, making it a waste of time and resources. Therefore, understanding antonyms can help us better understand the value of certain words and their opposite meanings.

Antonym of the day

most elbow-to-elbow
deserted, empty, imprecise.