knock out

phrasal verb transitive

Word Forms

present tense
I/you/we/they	knock out
he/she/it	knocks out
present participle	knocking out
past tense	knocked out
past participle	knocked out

1
to make someone unconscious
He hit me and nearly knocked me out.
Synonyms and related words
Losing and regaining consciousness
faint
pass out
knock out
2
to make someone leave a competition by defeating them
The home team was knocked out of the tournament in the first round.
Synonyms and related words
To defeat someone in a game, competition or argument
defeat
win
beat
3
to destroy something, or to stop it working
The earthquake knocked out power supplies in many parts of the city.
Synonyms and related words
To destroy or severely damage something
destroy
ruin
devastate
4
(knock someone out) informalto impress someone very much
The response to my work has absolutely knocked me out.
Synonyms and related words
To make someone feel excited, enthusiastic or impressed
inspire
attract
interest
5
(knock someone out) informalto make someone feel very shocked or upset
Synonyms and related words
To make someone feel sad or upset
upset
wound
disturb
Synonyms and related words
To make someone feel shocked or surprised
surprise
shock
shake up
6
informalto produce something quickly or carelessly
They’ve been knocking out candles at their factory since 1831.
Synonyms and related words
General words for to produce goods
productise
productize
produce
7
(knock something out of someone) to make someone lose a quality
All the enthusiasm had been knocked out of him.
Synonyms and related words
To have an effect on someone’s emotions or attitudes
influence
decide
lead to
8
knock yourself outinformalto do a lot of work in order to achieve something
Synonyms and related words
To work hard
work at
forge
overwork