Sideline(s) may refer to: *

Extended side In plane geometry, an extended side or sideline of a polygon is the line that contains one side of the polygon. The extension of a finite side (a line segment) into an infinite line arises in various contexts. Triangle In an obtuse triangle, t ...

, the geometric line that contains the side of a polygon *

Sidelines In sports, out of bounds (or out-of-bounds) refers to being outside the playing boundaries of the Pitch (sports field), field. The legality of going out of bounds (intentionally or not), and the ease of prevention, vary by sport. Sports that use ...

, the lines that mark the outer boundaries of a sports field * Sideline (app), a smartphone app * ''Sidelines'' (newspaper), the student newspaper of Middle Tennessee State University * Sideline, a side road in the

concession road In Upper Canada, Upper and Lower Canada, concession roads were laid out by the colonial government through undeveloped Crown land#Canada, Crown land to provide access to rows of newly surveyed Land lot, lots intended for farming by new settlers. T ...

system of Upper and Lower Canada * ''

Side Line ''Side Line'' is the fourth studio album by the Japanese pop group Onyanko Club. It was released on February 21, 1987, through Pony Canyon, Canyon Records in LP record, LP and Compact disc, CD format. It peaked at number one on the Oricon charts ...

'', a 1987 album by Onyanko Club * "Sidelines", a 2022 song by

Phoebe Bridgers Phoebe Lucille Bridgers (born August 17, 1994) is an American singer-songwriter. Her indie folk music typically centers on acoustic guitar and Electronic music, electronic production, with melancholic lyrical themes. She has won four Grammy Aw ...

Side job A side job, also informally called a side hustle or side gig, is an extra job that a person takes in addition to their primary job in order to supplement their income. Side jobs may be done out of necessity when a person's main job does not pro ...

- an additional job in order to supplement income

See also