Did French President Nicolas Sarkozy set up Dominique Strauss-Kahn to sideline his top opponent?
The Democrats were able to sideline Kucinich and avoid a divisive impeachment battle.
In those games Ryan paced the sideline like a lion tamer without a chair.
also side-line, "line on the side of a fish," 1768; "lines marking the limits of playing area" (on a football field, etc.), 1862, from side (adj.) + line (q.v.). Meaning "course of business aside from one's regular occupation" is from 1890. Railway sense is from 1890. The figurative sense of "position removed from active participation" is attested from 1934 (from the railway sense or from sports, because players who are not in the game stand along the sidelines). The verb meaning "put out of play" is from 1945. Related: Sidelined; sidelining.