traffic light

/ˈtɹæˌfɪk laɪt/

//ˈtɹæˌfɪk laɪt// noun

"traffic-light" is a 12-letter English headword indexed on PlainSpell.

The verdict

“traffic light” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A signalling device positioned at a road intersection or pedestrian crossing indicating the moment it is safe to drive, ride or walk, using a universal color code.

Key facts for traffic light
PropertyValue
Headwordtraffic light
LanguageEnglish
Part of speechNoun
IPA/ˈtɹæˌfɪk laɪt/
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “traffic light” sits in English frequency

traffic light falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for traffic light is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈtɹæˌfɪk laɪt/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for traffic light in our index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is traffic light, spelled T-R-A-F-F-I-C- -L-I-G-H-T.

Definition

  1. 1
    A signalling device positioned at a road intersection or pedestrian crossing indicating the moment it is safe to drive, ride or walk, using a universal color code.
  2. 2
    A signalling device positioned at a road intersection or pedestrian crossing indicating the moment it is safe to drive, ride or walk, using a universal color code.
  3. 3
    A colour code using the three signals of a traffic light (green, yellow or amber, and red) as a metaphor.
  4. 4
    The colored dots on stamp sheet margins printed with offset printing or photogravure methods, used by the printers to check color accuracy.
  5. 5
    In Conway's Game of Life, an arrangement of four blinkers that are orthogonally equidistant from a central point.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "traffic light"?
"traffic light" is spelled T-R-A-F-F-I-C- -L-I-G-H-T. The IPA pronunciation is /ˈtɹæˌfɪk laɪt/.
What does "traffic light" mean?
As a noun, "traffic light" means: A signalling device positioned at a road intersection or pedestrian crossing indicating the moment it is safe to drive, ride or walk, using a universal color code.
How do you pronounce "traffic light"?
The IPA (International Phonetic Alphabet) transcription for "traffic light" is /ˈtɹæˌfɪk laɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "traffic light" come from?
"traffic light" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “traffic light”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is T-R-A-F-F-I-C- -L-I-G-H-T - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈtɹæˌfɪk laɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list