sideline.
A line at the side of something.
Meaning & usage
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.
She started the business as a sideline to her regular work and it ended up becoming the greater source of income.
Soup need not be just a sideline to a meal; if you like, it can be the main course.
A line for hobbling an animal by connecting the fore and the hind feet of the same side.
A line defining the side boundary of a playing field. Used in Canadian football, field lacrosse and basketball.
The area outside the playing field beyond each sideline.
The coach stood on the sidelines and bellowed commands at the team.
The outside or perimeter of any activity.
to relegate to the sidelines
She installed the whole fixture while he simply watched from the sidelines.
A secondary road, especially a byroad at right angles to a main road.
A side hustle.
Where this word comes from
From side + line.
To place on the sidelines; to bench or to keep someone out of play.
The coach sidelined the player until he regained his strength.
To remove or keep out of circulation or out of the focus.
The illness sidelined him for weeks.
Where this word comes from
From side + line.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.