특히 좋지 않은 일이나 상황이 피할 수 있었음에도 불구하고 발생하는, 불필요하거나 쓸데없는
Not necessary or required, especially referring to something negative that could have been avoided.
예문:
"The new safety regulations were designed to prevent needless injuries on the construction site."
"Many consumers are now trying to reduce needless waste by choosing products with less packaging."
"The long delay caused needless anxiety for the passengers waiting at the terminal."