big idea
Americannoun
-
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?
Etymology
Origin of big idea
An Americanism dating back to 1920–25
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But then, the agency people unveiled their big idea: to create a campaign centered around reanimated digital avatars of our dead loved ones.
From Slate • Apr. 23, 2026
The big idea was to take Tesla’s learnings from its self-driving technology, which uses software and cameras to autonomously drive automobiles.
From The Wall Street Journal • Jan. 3, 2026
Fifa's big idea is to set up the best chance of blockbuster ties in the latter stages of the World Cup.
From BBC • Dec. 4, 2025
Considering both comedians have made a career of selling out major market arenas in the past, Iglesias said he’s confident his big idea will pay off.
From Los Angeles Times • Apr. 22, 2025
And this last year, I think she got a big idea in her head, to go to China and find them herself.
From "The Joy Luck Club" by Amy Tan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.