Sideline suggests names of unknown callers and texters, and helps you recognize spam by clearly labeling and displaying it. Sideline uses your carrier’s network for top-tier call quality. Unlike VoIP …

The meaning of SIDELINE is a line at right angles to a goal line or end line and marking a side of a court or field of play for athletic games. How to use sideline in a sentence.

SIDELINE definition: 1. an activity that you do as well as your main job: 2. a line that shows the position of the side…. Learn more.

A sideline is a business activity carried on at the same time, by the same person, or at the same premises, as another, more important, business activity. The garden center developed a lucrative …

Definition of sideline noun from the Oxford Advanced Learner's Dictionary. [countable] an activity that you do as well as your main job in order to earn extra money. His hobby of winemaking was fast …

SIDELINE definition: a line at the side of something. See examples of sideline used in a sentence.

Define sideline. sideline synonyms, sideline pronunciation, sideline translation, English dictionary definition of sideline. n. 1. Sports a. A line along either of the two sides of a playing court or field, …

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Jan 14, 2026 · sideline (third-person singular simple present sidelines, present participle sidelining, simple past and past participle sidelined) (sports, transitive) To place on the sidelines; to bench or to …

A sideline is a line marking the boundary of a sports field, or a secondary or less important role, job, or activity that someone holds in addition to their primary one.