knock out

Idioms  

1. Also, knock out cold . Render unconscious by a blow or some other means. For example, It was just a swinging door, but it knocked her out , or Just one of those sleeping pills can knock you out cold . [Late 1500s]

2. Make tired, exhaust, as in That sightseeing tour knocked me out .

3. Render useless or inoperative, as in The storm knocked out the power .

4. See knock off , def. 2.

5. See knock oneself out .

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Example Sentences

"If Liverpool play like this midweek, then they will be knocked out of the Champions League."

From BBC

The remaining Iranian players left Australia on Tuesday night local time - two days after they were knocked out of the Asian Cup.

From BBC

Learning the real reason he had been lured to the venue with "a perfect lie", he said: "I'm speechless, knocked out."

From BBC

A 2-0 loss to the Philippines on March 8 meant they were knocked out of the tournament.

From The Wall Street Journal

After a stunning loss to Italy, Team USA was nearly knocked out in the group stage.

From The Wall Street Journal