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Showing results for sideline. Search instead for siderin.
Synonyms

sideline

American  
[sahyd-lahyn] / ˈsaɪdˌlaɪn /

noun

  • sidelines
    plural
  1. a line at the side of something.

  2. a business or activity pursued in addition to one's primary business; a second occupation.

  3. an additional or auxiliary line of goods.

    a grocery store with a sideline of household furnishings.

  4. Sports.

    1. either of the two lines defining the side boundaries of a field or court.

    2. sidelines, the area immediately beyond either sideline, where the substitute players sit.

  5. sidelines, the position or point of view taken by a person who observes an activity or situation but does not directly participate in it.


verb (used with object)

  • sidelines,
    present (3rd person singular)
  • sidelined,
    past participle,  past
  • sidelining
    present participle
  1. to render incapable of participation, especially in anything involving vigorous, physical action, as a sport.

    An injury to his throwing arm sidelined the quarterback for two weeks.

sideline British  
/ ˈsaɪdˌlaɪn /

noun

  1. sport a line that marks the side boundary of a playing area

  2. a subsidiary interest or source of income

  3. an auxiliary business activity or line of merchandise

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to prevent (a player) from taking part in a game

  2. to prevent (a person) from pursuing a particular activity, operation, career, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of sideline

An Americanism dating back to 1685–95; side 1 + line 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The NFL did not disclose the specific behavior that prompted the organization to single out those coaches, although all three have had visible sideline beef with officials this season.

From Los Angeles Times ● Oct. 22, 2026

Tafoya, meanwhile, was mocked by many upon her entry to the race, as former Sunday Night Football sideline reporters don’t have substantial governing backgrounds.

From Slate ● Oct. 22, 2026

What former Sunday Night Football sideline reporters do have, though, is vast name recognition and an ability to speak well on TV.

From Slate ● Oct. 22, 2026

Flanagan faces former NFL sideline reporter Michele Tafoya in a surprisingly close race where the latest polling shows the Democrat leading by three or four percentage points.

From The Wall Street Journal ● Oct. 21, 2026

He led us at a sprint down the far sideline.

From "Tangerine" by Edward Bloor

A miserable housing market is keeping appliance-shoppers on the sidelines, and Whirlpool WHR -5.91%decrease; down pointing triangle is paying the price.

From The Wall Street Journal ● Oct. 26, 2026

The "situation is tense and there's a bit of a stalemate", ambassador Roelf Meyer told AFP on the sidelines of an event to launch his memoir.

From Barron's ● Oct. 26, 2026

The coaches on both sidelines wore Orange County Fire Authority hats as a token of gratitude.

From Los Angeles Times ● Oct. 24, 2026

“Sitting on the sidelines gives you fewer choices, and often suboptimal choices.”

From MarketWatch ● Oct. 23, 2026

The rest of us stood on the sidelines as the chosen ones laughed and high-fived and hugged each other.

From "Courage to Soar" by Simone Biles

Bryan, currently sidelined with a broken collarbone, is ranked No. 141 nationally at his position in the 247/Sports Composite.

From Los Angeles Times ● Oct. 26, 2026

"Despite the study's adherence to its mandate, its findings were sidelined."

From Science Daily ● Oct. 25, 2026

But experts say the unrest reflects a broader sense among many young Europeans that they have been shut out of politics and sidelined.

From Barron's ● Oct. 23, 2026

Haines has also helped to secure funds for housebuilding, railway improvements and health infrastructure in her region, which she argues has long been sidelined by policies favouring cities.

From BBC ● Oct. 21, 2026

But Robinson would not be sidelined, and de Bums took the next five.

From "In the Year of the Boar and Jackie Robinson" by Bette Bao Lord

His campaign erected billboards denouncing discrimination against the Sephardim, and his party accused Netanyahu of sidelining Sephardic members of Likud by limiting their media appearances during the campaign.

From Barron's ● Oct. 27, 2026

So much can go wrong if he’s pitching, and any pitching injury could have the double whammy of sidelining him as a hitter.

From Los Angeles Times ● Aug. 30, 2026

The ban might help domestic drone makers grow at home by sidelining DJI.

From The Wall Street Journal ● May 3, 2026

And while previous TV adaptations root into the emotional interiority of their male characters while sidelining female desire, “The Forsytes” places more narrative purpose in the hands of its women.

From Salon ● Mar. 28, 2026

With Lewandowski, Trump’s former campaign manager, at her side, she has staged a headline grabbing immigration crackdown while sidelining rivals and dissenters.

From The Wall Street Journal ● Feb. 13, 2026

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