flagger

American  

[flag-er] / ˈflæg ər /

noun

flaggers plural

1. a person who holds a flag at the approach to a road construction site or other traffic obstruction and signals motorists to slow down or stop, or to proceed when it is safe to do so.

2. Often, trusted flagger. a person who monitors online content for a site, platform, company, etc., and identifies and reports any that is suspicious or does not comply with laws, rules, or guidelines.

3. a person on a racetrack who seeks to maintain a clear course for drivers, alerts them to any obstacle or adverse condition by means of a flag, and keeps race officials continuously informed of any such issues on the course.

4. a railway worker who uses a flag to signal train operators to stop when there is work being done on the track ahead.

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Other Word Forms

Noun Inflected Forms

• flaggers
  plural

Example Sentences

See Examples For:

flagger flaggers

Also subject to the ban were Anna-Lena von Hodenberg and Josephine Ballon of HateAid, a German organization that the State Department said functions as a trusted flagger for enforcing the DSA.

From Barron's ● Dec. 23, 2025

"A flagger, I believe, is somebody trying to rekindle a bit of British pride," says Billy Cooper, a roofer from south-west London.

From BBC ● Sep. 3, 2025

In Ventura County, no flagger does it better than Ventura High junior Ava Ortman, who is among the state leaders in touchdowns and is equally effective running the ball.

From Los Angeles Times ● Oct. 17, 2024

“He was an omnivore, an orange-hanky flagger, an aficionado of all-you-can-eat buffets,” Lawlor writes of her shape-shifting protagonist.

From New York Times ● Jun. 22, 2023

Lawmakers will likely hear from the mother of Cody Meyer, a 23-year-old construction flagger who was hit last December outside Issaquah by a driver looking at a smartphone, charging documents say.

From Seattle Times ● Jan. 1, 2017

Already, Facebook employs thousands of unaccountable flaggers who make subjective, ad hoc decisions on what constitutes acceptable speech.

From Washington Post ● Jul. 9, 2020

It would also post flaggers to help guide pedestrians across the haul routes when in use.

From Seattle Times ● Aug. 30, 2018

The flaggers told the outlet that the company had a backlog that may have prevented offending videos, including those involving children, from being swiftly removed.

From The Verge ● Nov. 15, 2017

The original commenter would retaliate by flagging the flaggers, and would sometimes create a dozen accounts to multiply their flagging power—until comments and accounts were blinking in and out of existence at a dizzying rate. 

From Slate ● Nov. 4, 2015

And,' added my Lord Clonbrony, 'the flaggers, I hope, will be soon banished.'

From Tales and Novels — Volume 06 by Edgeworth, Maria