English · Work & Business

burn the midnight oil

/bɜːn ðə ˈmɪd.naɪt ɔɪl/

[/bɜːn ðə ˈmɪd.naɪt ɔɪl/]

work late at night

Intermediatephrase

Definition

To work or study late into the night.

Example

She's been burning the midnight oil all week to finish her thesis before the submission deadline.

She's been burning the midnight oil all week to finish her thesis before the submission deadline.

Etymology

From the era of oil lamps; the phrase appears in Francis Quarles's 1635 work referencing late study.

How & Where It’s Used

Common for describing hard work late into the night.

Literary Heritage

Coined in Francis Quarles's 'Emblemes' (1635): 'We spend our mid-day sweat, our mid-night oil.'

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