know verb Definition in Cambridge Learner Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of "know" - Learner English Dictionary

See all translations

know

verb
 
 
/nəʊ/ ( past tense knew, past participle known)
HAVE INFORMATION [I, T] A1 to have knowledge or information about something in your mind: "How old is she?" "I don't know." Andrew knows a lot about computers. [+ question word] Do you know where the station is? [+ (that)] He knew that she was lying. Do your parents know you smoke?Knowledge and awareness
BE FAMILIAR WITH [T] B1 to be familiar with a person, place, or thing because you have met them, been there, used it, etc before: I've known Tim since primary school. I grew up in Brussels so I know it well. Since moving to London, I've got to know (= become familiar with) some nice people.Knowledge and awareness
BE ABLE [T] A2 to be able to do something: [+ question word] Do you know how to ski? I only know (= understand and speak) a little Spanish.Skill, talent and ability
let sb know A2 to tell someone something: Let me know if you're going to the party.Announcing, informing and stating
GUESS CORRECTLY [T] to guess something correctly: I knew she'd arrive late. I should have known he wouldn't come.Guesses and assumptionsKnowledge and awareness
UNDERSTAND [I, T] to understand and agree with someone: I know what you mean about Pete - I wouldn't trust him at all.Words and phrases expressing agreement and acceptance
be known as sth B1 to be called something: California is also known as the Sunshine State.Names and titles
have known sth to have had experience of something: I've never known the weather be so hot.Experiencing and suffering
know better (than to do sth) B2 to have the intelligence or judgment not to do something: She should have known better than to eat so much. No wonder she feels sick now.Wise and sensible
I know B2 used when you agree with something someone has just said: "It's a lovely day, isn't it?" "I know - let's hope it lasts."Accepting and agreeingAccepting and agreeing reluctantlyApproving and approvalWords and phrases expressing agreement and acceptance B1 used when you have an idea: I know - let's go to Helen's house.Inspiration and inspiring
you know used to emphasize that someone does know what you are referring to: You know, he's the one with curly hair.InterjectionsSounds used as interjections B1 something that you say while you are thinking what to say next: It's, you know, supposed to be a surprise.InterjectionsSounds used as interjections B1 used to emphasize what you are saying: I'm not an idiot, you know.InterjectionsSounds used as interjectionsIntensifying expressions
as far as I know B2 used to say that you think something is true, but cannot be sure: As far as I know, he's never been in prison.Knowledge and awarenessUncertaintyHesitatingAchievable
you never know B2 used to say that something could be possible although it does not seem likely: You never know - you might win the lottery.UncertaintyHesitatingAchievable
before you know it very soon: We'll be there before you know it. →  See also know sth inside out , learn/know the ropes , know your stuff In the future and soon
(Definition of know verb from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “know” in other dictionaries

Word of the Day
the real McCoy

the original or best example of something

Word of the Day

July 4th, Bastille Day, and the language of revolution.
July 4th, Bastille Day, and the language of revolution.
by Liz Walter,
July 01, 2015
With the USA’s Independence Day on the 4th and France’s Bastille Day on the 14th, July certainly has a revolutionary theme, so this blog looks at words and phrases we use to talk about the dramatic and nation-changing events that these days celebrate. In particular, it focuses on one of the most

Read More 

generation pause noun
generation pause noun
July 06, 2015
informal young adults who are not able to do things previously typical for their age group such as buy a home or start a family because of lack of money Meanwhile, a new study released last week revealed a quarter of Brits believe they’ll never own a property, leading them to be

Read More