Stoplight

noun

noun ·2 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively. Philippines, US
  2. 2
    a visual signal to control the flow of traffic at intersections wordnet
  3. 3
    A light on the rear of a vehicle that is activated when braking; a brake light.

    "The rear lamps are combined with the service stoplights and are contained in stoplight part and blackout marker light assemblies at the rear of the vehicle."

  4. 4
    a red light on the rear of a motor vehicle that signals when the brakes are applied to slow or stop wordnet

Synonyms

All synonyms
traffic lighttraffic signaltraffic lightbrake lightred lightrobot

Example

More examples

"The driver ignored the stoplight."

Etymology

From stop + light.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.