I'm deadly sure.

[alexbrasile]

In this sentence:

'I'm deadly sure!'

What's the correct form and why?

 

[emsr2d2]

Re: What's wrong here?

It should be "I'm dead sure!" We use "dead" to mean "absolutely" in several contexts.

You're dead wrong.
He's dead right.
I'm dead certain.

 

[GoesStation]

Re: What's wrong here?

We found the place by dead reckoning.

 

[Tdol]

Re: What's wrong here?

She's dead keen on the idea.

 

[Rover_KE]

Please note that I have changed your thread title.

Extract from the Posting Guidelines:

'Thread titles should include all or part of the word/phrase being discussed.'

 

[Tdol]

Re: What's wrong here?

I'm dead broke. (= I have no money)