(also time-waster)Word forms: plural time wasters
N-COUNT 浪费时间的人(或物) If you say that someone or something is a time waster, you mean that they cause you to spend a lot of time doing something that is unnecessary or does not produce any benefit. 浪费时间的人(或物) [disapproval]
Surfing the Internet is fun, but it's also a time waster.