sideline

IPA: sˈaɪdɫaɪn

A line at the side of something.
Something that is additional or extra or that exists around the edges or margins of a main item.
A line for hobbling an animal by connecting the fore and the hind feet of the same side.
(sports) A line defining the side boundary of a playing field. Used in Canadian football, field lacrosse and basketball.
(sports, usually in the plural) The area outside the playing field beyond each sideline.
(figuratively) The outside or perimeter of any activity.
(Canada) A secondary road, especially a byroad at right angles to a main road.

(sports, transitive) To place on the sidelines; to bench or to keep someone out of play.
(figurative, transitive) To remove or keep out of circulation or out of the focus.

Examples of "sideline" in Sentences

The injured player watched from the sideline as his team struggled to maintain their lead
The coach yelled instructions to the players on the sideline during a crucial moment in the game
The rookie quarterback was eager to prove himself after spending most of the season on the sideline
The controversial call by the referee left the entire sideline in disbelief
Despite being sidelined for the majority of the season, the star player made a triumphant return in the championship game