rack one's brain

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English[edit]

Alternative forms[edit]

Etymology[edit]

Combination of rack (v), a medieval torture method, and brain, thus meaning to cause the mind extreme discomfort.

Verb[edit]

rack one's brain

  1. (idiomatic) To struggle to think of or remember something.
    I have been racking my brain all day trying to think of a birthday present for her.

Translations[edit]