1
: 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
2
a
: a line of goods sold in addition to one's principal line
b
: a business or activity pursued in addition to one's regular occupation
3
a
: the space immediately outside the lines along either side of an athletic field or court
b
: a sphere of little or no participation or activity
—usually used in plural
Examples of sideline in a Sentence
Noun
She makes and sells jewelry as a sideline.
Recent Examples on the Web
Ryan Gaydos, FOXNews.com, 17 Nov. 2025
Cardell Williams then took the direct snap and raced in untouched for the winner with 9 seconds left, igniting a sideline celebration scene that hit another level when the Hornets held off the Vandals’ Hail Mary toward the end zone.
—Joe Davidson, Sacbee.com, 16 Nov. 2025
Michael Gallagher, MSNBC Newsweek, 17 Nov. 2025
Monthly payments have dropped significantly compared to the rates that prevailed in January, creating opportunities for buyers who were previously sidelined by higher borrowing costs.
—Angelica Leicht, CBS News, 17 Nov. 2025
See All Example Sentences for sideline
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Noun
The Broncos bench was hit with an unsportsmanlike conduct penalty as Payton was on the white stripe of the sideline when an NFL official collided with him.
—Ryan Gaydos, FOXNews.com, 17 Nov. 2025
Cardell Williams then took the direct snap and raced in untouched for the winner with 9 seconds left, igniting a sideline celebration scene that hit another level when the Hornets held off the Vandals’ Hail Mary toward the end zone.
—Joe Davidson, Sacbee.com, 16 Nov. 2025
Verb
An ankle injury sidelined him for five games this season, but fans don’t seem to be too understanding about McCarthy still learning on the job.
—Michael Gallagher, MSNBC Newsweek, 17 Nov. 2025
Monthly payments have dropped significantly compared to the rates that prevailed in January, creating opportunities for buyers who were previously sidelined by higher borrowing costs.
—Angelica Leicht, CBS News, 17 Nov. 2025
See All Example Sentences for sideline
Cite this Entry
“Sideline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sideline. Accessed 24 Nov. 2025.
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