I had no idea vs I hadn't idea

The correct phrase is 'I had no idea.' The phrase 'I hadn't idea' is incorrect in English. 'I had no idea' is a common expression used to convey that someone was unaware of something.

Last updated: March 25, 2024 • 3106 views

This phrase is correct and commonly used in English.

"I had no idea"

This phrase is used to express that someone was unaware of something. It is a common expression in English.

Examples:

I had no idea you were coming over.
She had no idea what to do next.
They had no idea where the keys were.
He had no idea about the surprise party.
We had no idea it was going to rain.

Show examples from the web [+]

Aug 19, 2018 ... you could respond, 'I had no idea'. 'I had' is in the past tense, so you are saying in effect, 'I did not know that before now'.
"I had no idea what a complicated business eating is…": a qualitative study of the impact of dysphagia during stroke recovery ... Disabil Rehabil. 2018 Jun;40(13): ...
Apr 4, 2022 ... I had no idea I was pregnant until I went for a bikini wax. By. Claire Haiek, The Sun. Thanks for contacting us.
Apr 18, 2022 ... Ask Amy: I had no idea my husband wanted a divorce. What do I do now? I returned from a family visit, and I found out he was leaving after ...
May 29, 2019 ... Let me get this clear (Uh-huh), 'cause I had no idea (Yeah, yeah, yeah). [Post-Chorus] Feelin' like I did too much (Much)
Oct 20, 2021 ... "It was overwhelming and I was just so grateful because I had no idea that, you know, anyone had had been doing that," Sherry Smith told CNN ...
Sep 17, 2021 ... 'I had no idea that greenwashing was even a thing': identifying the cognitive mechanisms of exemplars in greenwashing literacy interventions.
Nov 1, 2021 ... 'I had no idea how hard it was going to be. I was so naïve.' ... YARMOUTH, Maine — On the first day of 2021, Sammy Potter set out with Jackson ...

This phrase is incorrect in English.

"I hadn't idea"

Show examples from the web [+]

I didn't - I had no idea that all of it would stay with me.
I didn't - I had no idea.
I didn't - I had no idea that all of it would stay with me.
I didn't - I had no idea.
- I guess I hadn't given that idea much thought.
I hadn't the least idea of going abroad.
And when I first met him, I hadn't the faintest idea... he'd turn out to be your brother!
I had no idea who you are.
So I had an idea. And the idea was very simple. The idea was to set up an African Institute for Mathematical Sciences, or AIMS.
Your honor, I had no idea.
I had no idea you were so arty.
Now, speaking of your roommate, I had a great idea.
I had an idea you and Jerry were close.
And I had no idea so many people suffer from psoriasis.
And secondly, I had no idea you were married.
I had an idea for an article you might like.
Honestly, I had no idea that was going to work.
I had no idea why William was sick.
I had the idea to market it first.
I had no idea what true power was.

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I had no idea vs I hadn't idea

"I had no idea"

"I hadn't idea"

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