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Definition of taillight
taillight
/ˈteɪl.laɪt/
tail · light
Plural:taillights
taillight Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 10k
Syllables
2
taillight Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A red lamp mounted on the rear of a vehicle that illuminates when the headlights are turned on or when the brakes are applied.
Example
"The mechanic replaced the broken bulb in the car's left taillight before the annual safety inspection."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Taillight. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/taillight