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
Franklin Leonard, Vanity Fair, 14 May 2026
According to the New York Times, initial seating maps prior to the ticket sales period for the June 12 game at SoFi Stadium showed Category 1 giving match attendees a chance to sit in the best seats — along the sidelines and behind the goal.
—Camila Pedrosa, Sacbee.com, 14 May 2026
Jesse Whittock, Deadline, 15 May 2026
Bergstrom competed all throughout last year with an ailing knee, a season after she was sidelined at state due to a stress fracture in her foot.
—Kyle Newman, Denver Post, 15 May 2026
See All Example Sentences for sideline
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Noun
On the sideline, DRC’s French head coach Sébastien Desabre pulls at his wispy white hair.
—Franklin Leonard, Vanity Fair, 14 May 2026
According to the New York Times, initial seating maps prior to the ticket sales period for the June 12 game at SoFi Stadium showed Category 1 giving match attendees a chance to sit in the best seats — along the sidelines and behind the goal.
—Camila Pedrosa, Sacbee.com, 14 May 2026
Verb
Heated Rivalry, while still contending with the strict heteronormative and masculine nature attributed to hockey culture, builds a romance between Shane and Ilya that is neither sidelined nor simplified.
—Jesse Whittock, Deadline, 15 May 2026
Bergstrom competed all throughout last year with an ailing knee, a season after she was sidelined at state due to a stress fracture in her foot.
—Kyle Newman, Denver Post, 15 May 2026
See All Example Sentences for sideline
Cite this Entry
“Sideline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sideline. Accessed 16 May. 2026.
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