Standard Lemma guide

stoplight

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • CMU ARPABET: S T AA1 P L AY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively.

Definition source: English Wiktionary via Wiktextract

Usage: Philippines, US

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A light on the rear of a vehicle that is activated when braking; a brake light.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a visual signal to control the flow of traffic at intersections

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: traffic light, traffic signal

Antonyms: none provided

Broader terms: light

Narrower terms: green light, go-ahead, red light, yellow light

4

noun

Meaning 4

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: brake light

Antonyms: none provided

Broader terms: visual signal

History

Etymology

From stop + light.