Meaning & use

flashing light

noun·Everyday

Last updated

UK/ˈflæʃɪŋ laɪt/
US/ˈflæʃɪŋ laɪt/

Meaning

  1. nouncountable

    A light that turns on and off quickly and repeatedly, often used as a warning or signal.

    Grammar: Countable: a flashing light, flashing lights.

    Patterns

    • a flashing light
    • flashing lights on something
    • see a flashing light

    The flashing light on the dashboard warned us that the engine was overheating.

    A flashing light at the crossing told pedestrians it was safe to walk.

    The flashing lights of the ambulance lit up the street.

Word forms

pluralflashing lights

Common combinations

flashing warning light
A flashing warning light appeared on the control panel.
flashing red light
The flashing red light meant the machine had stopped.
flashing lights on a vehicle
Emergency vehicles have flashing lights on their roofs.

Synonyms and how they differ

blinking light
Blinking light is similar but often suggests a slower, more regular on-off pattern; flashing light can be faster or more urgent.
strobe light
A strobe light flashes very rapidly and is usually very bright; flashing light is a more general term.

Opposites

steady light

Commonly confused: flashing light or flashlight?

flashing light vs flashlight

A flashlight is a small portable electric torch; a flashing light is any light that blinks on and off.

Practice

What does a flashing light usually indicate?

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