sidelines

side·line  (sdln)

n.

1. Sports

a. A line along either of the two sides of a playing court or field, marking its limits.

b. sidelines The space outside such limits, occupied by coaches, inactive players, and spectators.

2. sidelines The position or point of view of those who observe rather than participate in an activity: the political sidelines.

3. A subsidiary line of merchandise.

4. An activity pursued in addition to one's regular occupation.

tr.v. side·lined, side·lin·ing, side·lines Informal

To remove or keep from active participation.

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sidelines

Noun, pl

1. Sport

a. the lines that mark the side boundaries of a playing area

b. the area just outside the playing area, where substitute players sit

2. on the sidelines

a. only passively involved: on the sidelines of the modern world

b. waiting to join in an activity