Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “knock”

knock

verb
 
 
/nɒk/
MAKE NOISE [I] B1 to make a noise by hitting something, especially a door, with your closed hand in order to attract someone's attention: There's someone knocking at/on the door. Please knock before entering.Hitting against objects accidentally and collidingSounds made by objects, movement or impact
HIT [T] B1 to hit something or someone and make them move or fall down: He accidentally knocked the vase off the table. I knocked over the mug. He was knocked unconscious by the blast.Hitting against objects accidentally and collidingHitting and beatingPunishing by causing pain
CRITICIZE [T] informal to criticize someone or something, often unfairly: She knocks every suggestion I make.Disapproving and criticizingDamaging reputation
→ See also beat/knock the (living) daylights out of sb, Knock it off!, knock sth back, knock sb down, knock sb/sth down, knock sth down, knock off, knock sth off (sth), knock sb out
(Definition of knock verb from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “knock” in other dictionaries

Word of the Day

from the word go

from the start of something

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More