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linebacker

American  
[lahyn-bak-er] / ˈlaɪnˌbæk ər /

noun

Football.
linebackers plural
  1. a player on defense who takes a position close behind the linemen.

  2. the position played by this player.


linebacker British  
/ ˈlaɪnˌbækə /

noun

  1. a defensive player in American or Canadian football who is positioned just behind the line of scrimmage

"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

Noun Inflected Forms

Etymology

Origin of linebacker

First recorded in 1960–65; line 1 + backer

Explanation

A linebacker is a defensive player on an American football team. If you ever hear someone described as being "built like a linebacker," it means the person is large and strong. There are usually three or four linebackers on the field during play. A linebacker's job is to defend the goal area of the football field against runs, and to block plays by the opposing team. Linebackers usually stand behind the line of scrimmage in front of the defensive backs known as safeties. There are several different specific kinds of linebackers, including middle, outside, strongside, and weakside.

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Vocabulary lists containing linebacker

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:

Daniel Adongo, 37, who was a linebacker for the Indianapolis Colts for two years, overstayed his visa in 2016, the year after his NFL career ended, according to the US authorities.

From BBC Jul. 27, 2026

Micah Parsons, a linebacker recently traded to the Green Bay Packers, just signed a four-year, $186 million contract.

From The Wall Street Journal Jul. 9, 2026

The first serious legal challenge to the House settlement on NIL monies will come courtesy of a USC Trojans freshman linebacker.

From Los Angeles Times Jun. 10, 2026

On defense, cornerback Osiris Gilbert broke up multiple passes and had a few hard hits, linebacker Samuel Omosigho earned a sack, and linebacker Malaki Soliai-Tui forced a fumble.

From Los Angeles Times May 2, 2026

I blasted through, and there was the Hillside linebacker.

From "Crash" by Jerry Spinelli

As an NFL fullback, Patrick DiMarco faced linebackers the size of French Door fridges.

From The Wall Street Journal Jun. 19, 2026

Mike Ekeler, who previously coached at USC under Lane Kiffin in 2013, was hired away from Nebraska to coach both special teams and linebackers.

From Los Angeles Times Feb. 13, 2026

Outside of Roman and Devlin, Hortiz announced that linebackers coach NaVorro Bowman is departing the Chargers and coaching altogether.

From Los Angeles Times Jan. 15, 2026

“Having two linebackers who weren’t on our team a month ago—and those guys playing that whole game at a high level—was so impressive,” Shanahan said.

From The Wall Street Journal Jan. 14, 2026

Several days later, starting linebackers Ivory Christian and Chad Payne found jersies with the numbers of Irving Nimitz’s starting running backs on them.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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