flasher

noun

flash·​er ˈfla-shər 

: one that flashes: such as

a

: a light (such as a traffic signal or automobile light) that flashes to catch attention

b

: a device for automatically flashing a light

c

: an exhibitionist who flashes

Examples of flasher in a Sentence

We noticed a car at the side of the road with its flashers on.

Recent Examples on the Web

The disturbance complaint was reported on Rye Street where officers responded and, while investigating, found a vehicle with no one inside and its flashers on near Troy Road, according to the South Windsor Police Department. —Justin Muszynski, Hartford Courant, 4 Aug. 2025

Keep your headlights on and activate emergency flashers to alert other drivers of your position. —Bay Area Weather Report, Mercury News, 30 July 2025

Once stationary, deactivate all lights except the hazard flashers, engage the emergency brake, and release the brake pedal to ensure your tail lights remain unlit, minimizing the chance of other drivers colliding with your stationary vehicle. —Charlotte Observer, 10 July 2025

Drivers who fail to switch lanes when approaching a disabled vehicle on the side of the road that has its flashers on could receive a class B infraction. —Jade Jackson, IndyStar, 10 July 2025

Word History

First Known Use

1686, in the meaning defined above

Rhymes for flasher

• asher
• brasher
• dasher
• lasher
• masher
• slasher
• thrasher
• haberdasher

Kids Definition

flasher

noun

flash·​er ˈflash-ər 

: blinker sense 1