idiot light

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idiot light

Where it comes from

From idiot + light, suggesting that even a stupid person with no mechanical knowledge can recognize a problem when thus indicated.

noun idiot lights

  1. slang Any warning light or indicator on the dashboard of a car, designed to alert the driver to problems, such as the parking brake being on or the oil being low.

    Similar: dummy light, warning light

Translations

Every language

noun warning light

Españolchivato
Françaisvoyant
DeutschWarnlämpchen, Signallämpchen

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MLA

"idiot light." Wiktionary, via Micwyn, micwyn.com/word/idiot%20light. Accessed 6 Nov. 2026.

APA

idiot light. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/idiot%20light

Chicago

"idiot light." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/idiot%20light.

BibTeX
@misc{idiot_light_2026,
  title = {idiot light},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/idiot%20light},
  urldate = {2026-11-06}
}