Definition of rack or wrack one's brains or brain in English:

rack (or wrack) one's brains (or brain)

Make a great effort to think of or remember something: Meg racked her brain for inspiration
More example sentences
  • You're wracking your brains to try and remember Alan's wonderful effort now, aren't you?
  • But eventually the day was at an end… and I had to rack my brains to remember where the car was.
  • I walk towards him, wracking my brains to remember how I know him, or at the very least, a name.
Synonyms
think hard, put one's mind to something, give much thought to something, concentrate, try to remember, puzzle over something, cudgel one's brains, furrow one's brow
See parent entry: rack

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