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Synonyms

burn the midnight oil

Cultural  

  1. To stay awake late at night to work or study: “Jill has been burning the midnight oil lately; I guess she has a big exam coming up.”

burn the midnight oil Idioms  

  1. Stay up late working or studying, as in The semester is almost over and we're all burning the midnight oil before exams. This expression alludes to the oil in oil lamps. [Early 1600s]

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.