Taillight

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
One of a pair of red lights mounted on the rear of a vehicle, so it can be seen from the rear at night.
"All moved to the front street, where Grierson snibbed on his tail-light and turned to ask the trooper, "They've got the main road ploughed up farther on, haven't they?""
2
lamp (usually red) mounted at the rear of a motor vehicle wordnet

Synonyms

rear light rear lamp rear light tail lamp taillamp taillamp

Example

"Your car has a broken taillight."

Etymology

From tail + light.

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