sideline - definition and synonyms

noun [countable] 

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  1. 1
    a job that you do in addition to your main job, in order to earn extra money
  2. 2
    either of the lines on the sides of a sports field that show where the edges of the field are
    1. a.
  3. 3

    the sidelines

    a situation in which you watch something that is happening but are not involved in it or cannot influence it

    This is no time for sitting on the sidelines – our government must get involved.