big idea

noun Informal.

any plan or proposal that is grandiose, impractical, and usually unsolicited: You're always coming around here with your big ideas.
purpose; intention; aim: What's the big idea of shouting at me?

Nearby words

  1. big hair,
  2. big head, have a,
  3. big hitter,
  4. big hook,
  5. big house,
  6. big ike,
  7. big kahuna,
  8. big labor,
  9. big laurel,
  10. big league

Origin of big idea

An Americanism dating back to 1920–25 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019