have no idea

have no idea

To be completely unaware of or know no information about something. A: "Is Sally off today?" B: "Oh, I have no idea. Ask Elaine, she'll know." Geez, I have no idea how to fill out these tax forms! Why is Mike running this meeting? He has no idea what this project entails.
See also: have, idea, no

you have no idea

You cannot imagine or understand. I'm sorry I'm late for dinner again. You've no idea how much stuff I have to get through at work right now. You have no idea what it's like raising two kids on your own while still holding down a full-time job, so stop criticizing me about my parenting!
See also: have, idea, no
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

have no iˈdea

,

not have the first, slightest, etc. iˈdea

not know something at all; not know how to do something at all: I’ve no idea what time it is. ♢ Don’t ask him to mend it; he hasn’t got the first idea about cars.
See also: have, idea, no
Farlex Partner Idioms Dictionary © Farlex 2017
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