Other Ways to Say I DON’T KNOW

Other Ways to Say  I DON’T KNOW, ways to say I don’t know, different ways to say I don’t know in english;

I have no idea.

I don’t have a clue.

I’m unsure

Search me.

Beats me.

I can’t remember off the top of my head.

I don’t have any information about that.

That’s exactly what I’m seeking to answer.

Who knows?

Let me check on that.

I’m not 100% sure on that.

I’II double check and let you know.

It’s beyond me.

It’s a mystery to me.

That’s a good question, but I don’t know.

I’m not the best person to answer that.

That’s a good question, I’II check this.

I’m afraid. I’ve no idea.

Hmm (interjection)

I don’t know anything about …

I’m going to investigate that further.

That requires a bit more research first.