In (or from) a position where one is observing a situation but is unable or unwilling to be directly involved in it.
More example sentences
- A week on the sidelines can do nothing but benefit him and I expect him to come back firing on all cylinders again at Preston.
- Burnley winger Alan Moore faces a lengthy spell on the sidelines after undergoing ankle surgery later today.
- Behaviour such as this on the sidelines by parents and other family members should not be tolerated.
without taking part, without getting involved