idiot light

noun

Definition of idiot light

  1. :  a colored light on an instrument panel (as of an automobile) designed to give a warning (as of low oil pressure)

1966

First Known Use of idiot light

1966

Learn More about idiot light


Seen and Heard

What made you want to look up idiot light? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to glide in or as if in an airplane

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!