Meaning of “idea” - Learner’s Dictionary


noun us uk /aɪˈdɪə/
a clever ideaShe'll never go along with this idea.That's a much more sensible idea.It was my own idea.It's a good idea to keep a spare key somewhere safe.

A2 a suggestion or plan:

"Why don't we ask George?" "That's a good idea."
[ + to do sth ] It was Kate's idea to hire a car.
THOUGHT [ U, no plural ]

B2 an understanding, thought, or picture in your mind:

[ + of + doing sth ] Clive soon got used to the idea of having children around the house again.
[ + (that) ] I don't want them to get the idea that we're not interested.
have no idea

B1 to not know:

Beth had no idea where he'd gone.

B1 an opinion or belief:

My husband and I have very different ideas about school discipline.
AIM [ no plural ]

the aim or purpose of something:

The idea is to give local people a chance to voice their opinions.
→ See also not have the foggiest (idea) (foggy)

(Definition of “idea” from the Cambridge Learner’s Dictionary © Cambridge University Press)