sideline

noun sidelines · side line · side-line

1. A line at the side of something. Like most other fishes, the dragonet varies slightly in colour in different individuals, and at different seasons of the year. Mr. Pennant describes the pupils of the eyes to be of a rich sapphirine blue; the irides fine fiery carbuncle; the pectoral fins light brown; the side-line straight; the col
2. Something that is additional or extra or that exists around the edges or margins of a main item. She started the business as a sideline to her regular work and it ended up becoming the greater source of income.
3. A line for hobbling an animal by connecting the fore and the hind feet of the same side.
4. A line defining the side boundary of a playing field. Used in Canadian football, field lacrosse and basketball.

   Similar: touchline

5. plural normally The area outside the playing field beyond each sideline. The coach stood on the sidelines and bellowed commands at the team.
6. figuratively The outside or perimeter of any activity. to relegate to the sidelines
7. Canada A secondary road, especially a byroad at right angles to a main road.
8. Philippines A side hustle.

verb sidelines · sidelining · sidelined · side line · side-line

1. transitive To place on the sidelines; to bench or to keep someone out of play. The coach sidelined the player until he regained his strength.
2. figuratively, transitive To remove or keep out of circulation or out of the focus. The illness sidelined him for weeks.

Similar: marginalize