(~s, sidelining, ~d)
1.
A ~ is something that you do in addition to your main job in order to earn extra money.
Mr. Means sold computer disks as a ~.
N-COUNT
2.
The ~s are the lines marking the long sides of the playing area, for example on a football field or tennis court.
N-PLURAL
3.
If you are on the ~s in a situation, you do not influence events at all, either because you have chosen not to be involved, or because other people have not involved you.
France no longer wants to be left on the ~s when critical decisions are taken...
N-PLURAL: the N, usu on/from N
4.
If someone or something is ~d, they are made to seem unimportant and not included in what people are doing.
He was under pressure to resign and was about to be ~d...
VERB: usu passive, be V-ed