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big idea

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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?
QUIZ
QUIZ YOURSELF ON OPPOSITES OF RED BEFORE YOU TURN SCARLET
We have a challenge that will make you blush: do you know the many words and ways to describe the opposite of red?
Question 1 of 7
Which of the following colors is used to symbolize AIR?

Origin of big idea

An Americanism dating back to 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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