One who stays on the sidelines; a spectator or nonparticipant. / (US) A beekeeper, neither a hobbyist nor a fully-fledged commercial operator, for whom beekeeping is a secondary source of income.

plural of sideliner

simple past tense and past participle of sideline

present participle of sideline

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.

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

plural of sideline (“lines marking the edges”) / (sports) The area or areas next to but outside a playing area.

Third-person singular simple present indicative form of sideline

(hurling) A penalty shot awarded against a player who runs over the sideline with the ball. The opponents take a free puck from where the ball crossed the line; side puck.

plural of sideline reporter