purposelessness       
noun [ U ] uk/ˈpɜː.pəs.ləs.nəs/ us/ˈpɝː.pəs.ləs.nəs/
 缺乏目地;用意含糊
the lack of a clear intention
  He occupies a world of futility and purposelessness. 他生活在一个努力无结果、生活无目标的的世界。 
 The boy experienced a sense of purposelessness. 男孩有缺乏目标的感觉。 
 See: purposeless
 - More examples
 - Some people see purposelessness or a lack of meaning in life.
 - She had a sense of purposelessness after giving up her job.
 - It is a culture of haste and purposelessness.