Knock out

knock out & knocks out knocking out knocked out knocked out

1. knock... out p.v. When you knock people out, you hit them hard enough to cause them to lose consciousness. When people are knocked out, they are hit by someone or something hard enough to cause them to lose consciousness.

The boxer knocked his opponent out with a blow to the head.

David fell and hit his head on the sidewalk so hard that it knocked him out.

knockout n. A hit hard enough to cause someone to lose consciousness is a knockout.

At the count often the referee declared a knockout.

2. knock... out p.v. If something knocks you out, it impresses or surprises you a lot.

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Tom's new house is fabulous! It really knocked me out.

The Youngs'daughter is only twelve and she's already in college? That just knocks me out.

knockout n. A knockout is something that impresses or surprises you a lot. Have you seen Erik's new girlfriend? She's a real knockout.

3. knock... out p.v. When you try very hard to please other people, you knock yourself out or knock yourself out to do something.

Marsha's Thanksgiving dinner was fabulous. She really knocked herself out.

Thanks for inviting me to spend the weekend with you, but don't knock yourself out — I don't mind sleeping on the couch.

4. knock... out p.v. When soldiers knock out a piece of the enemy's equipment, they destroy it or damage it enough so that it no longer operates.

The enemy radar installation was knocked out by a 500-pound bomb.

I can't contact headquarters. I think our communications system might have been knocked out during the attack.

1. look down on p.v. When you look down on people, you consider them to be less intelligent, less educated, or from a lower level of society than you.

Some people look down on Hank because his father was in prison.

Looking down on people because of things they have no control over is stupid.