Meanings of knock cold in English

I didn't know he was already dead, I thought he was knocked cold.

My first year out of journalism school I got knocked cold at a segregation protest.

The time when Mark was knocked cold at the Thanksgiving Day Football game last year.

The girl, she'd been knocked cold before this happened.

The first men to leave the colony had to be knocked cold and shipped out unconscious.

This being knocked cold and motionless was perhaps the best thing that could have happened to me.

Mantilla and Bruton were both knocked cold.

But he knew it couldn't be Grace, unless she'd been knocked cold and just this second come to.

June is knocked cold.

They were knocked cold.

But the Lancastrian, inordinately strong and willing, was knocked cold when he ran on to a perfect left hook in the 10th.

"I think he's been knocked cold!" Dad told me as he took off his shoes.

Worcester were also unfortunate when Chris Brooker was knocked cold in midfield and they were forced to send on their replacement hooker, Nick Seymour.