The Purposeless速度金属
purposeless ambiguity无意歧义
purposeless a无目的的
increased purposeless goalless activity无目的性的活动增强
ADJ（形容词） If an action is purposeless, it does not seem to have a sensible purpose. 无目的的
Time may also be wasted in purposeless meetings.
时间也可能被浪费在无目的的会议中。