B1

known English

Learners of English as a second language usually know the word known once they have reached the level B1 – Lower Intermediate. English words by learner level A1 A2 B1 B2 C1 C2

Meaning known meaning

What does known mean?

Definitions in simple English

known Adjective

— If something is known, people know about it; it is famous. It is a known fact that water freezes at 0°C. She is known for all the volunteer and charity work that she does.

known Noun

— In algebra, a variable or constant whose value is already determined.

— Any fact or situation which is well-researched or familiar.

known

— adjective apprehended with certainty a known quantity the limits of the known world a musician known throughout the world a known criminal

Synonyms known synonyms

What other words have the same or similar meaning as known?

known English » English

understood

familiar

well-known

learnt

famous

ascertained

renowned

perceived

celebrated

recognized

recognised

apparent

acquainted

acquaintance

well-mined

well observed

well

visible

under-stood

the

testify

sure

revealed

respected

reputation

recognize

recognizable

public

proverbial

popularity

outstanding

obvious

notorious

noticeable

noted

marked

make known

make clear

larger-than-life

known quantity

known number

knowable

it is

intimate

indicate

guessed

greatness

given number

famed

fame

Topics known topics

What do people use known to talk about?

Language and thought Think Know

Known, unknown

• What words describe something or someone that is known to someone?
  known noted familiar obvious
• What words describe something or someone that is known to many people?
  well-known famous infamous fame notorious public knowledge
• What words describe something or someone that is not known by many people?
  little-known secret secrecy obscure private mystery mysterious
• What words describe something or someone that is not known by anyone?
  not known unknown undetected undiscovered unexposed unmarked unseen

Language and thought Think Know

Secret

• What words describe something or someone that is known to someone?
  known noted familiar obvious
• What words describe something or someone that is known to many people?
  well-known famous infamous fame notorious public knowledge
• What words describe something or someone that is not known by many people?
  little-known secret secrecy obscure private mystery mysterious
• What words describe something or someone that is not known by anyone?
  not known unknown undetected undiscovered unexposed unmarked unseen

Language and thought Think

Know

• What words refer to what is known about a topic?
  information body of knowledge (what is) known

Language and thought Communication Say Talk about a subject

Announce

• What words refer announcing something?
  announce declare proclaim publicize publish broadcast make something public make known promote advertise inform post

States Time Aspectual time Once

Never

• What words indicate that something that never happens?
  never not ever never once not once never for a moment not for a moment never ever at no time not in a million years never in a million years have never been known to do something

Grammar Name

Name of a person

• What words are used to indicate a person's name?
  someone's name is be called be known as named

Grammar Name

Name of a thing

• What words are used to indicate the name of something?
  be called be known as be entitled be termed go by the name of so-called

Examples known examples

How do I use known in a sentence?

Simple sentences

Seeing that you're not surprised, I think you must have known.

If I had known her address, I could have visited her.

This song is known to everyone.

You must have known what she meant.

If I had known about your illness, I could have visited you in the hospital.

We will report the results when known.

My name is known to everybody in my school.

He is known as a great pianist.

She seems to have known the secret.

If I had known about it, I would have told you.

She has known him since they were very young.

Tom has known Mary since she was a little girl.

I've never known a girl so affected. She's really unbearable!

The past can only be known, not changed. The future can only be changed, not known.

A known mistake is better than an unknown truth.

In general, little is known about nonlinear second order differential equations.

You should have known better.

Had I known your telephone number, I would have called you.

By September I will have known her for a whole year.

Mr Hashimoto is known to everyone.

The known must be separated from the unknown.

We haven't known each other long.

Ever since we've been wearing clothes, we haven't known one another.

The cause of the fire is not known.

The cause of the fire was known.

The following passage is a quotation from a well-known fable.

At last, the truth became known to us.

Movie subtitles

The Yangtze was part of a vast waterway known as the Grand Canal that linked Hangzhou with Beijing 1,000 miles to the north.

The restoration and improvement of the canal was part of a plan to stimulate China's economy, masterminded by the formidable Ming emperor known as Yongle.

Get ready, because the known universe is about to take you on a hunt for life out there.

Haven't you known yet that Lord Choi's words are the law and the rule in this town?

Because I'd have known?

Known?

Known what?

I've known Greg since I was five, and I love the dude, but he's complicated.

Look, I know that this is sudden, and we haven't known each other that long.

Richard Kind is a 59-year-old actor, best known for his role in Spin City.

Wait, you've known about Dad this whole time?

No association with known felons.

So you've never known who your father was?

Or as he was known then, Tom Romanski.

This huge work became known as the Cape Photographic Durchmusterung.

Comparable to the spiral nebulae we have known for long from photographic observation, like this one.

I should've known something was wrong.

I can reveal what I have known from the beginning, that Calvin Roberts and Sarah Lane will succeed me together as co-leaders of the movement and guardians of The Light.

In those days, in Marstrand, there lived an impoverished fish hawker, a man known as Torarin.

At the vicarage - the state known as Solberga - the vicar, Sir Arne, ate his supper in the company of his housefolk.

Her current whereabouts are not known.

Well-known cottages.

Let us look into the history of mysticism and try to explain the mysterious chapter known as the Witch.

I have personally known a very nervous young woman who often walked in her sleep.

Today it is not the Devil, but rather a famous actor, a popular clergyman or a well-known doctor, who disturbs the calm of the night.

Of all the wars known in history it is the only lawful, rightful, just and truly great war.

I am one of the most well-known men in America.

These are just Braxton Hicks contractions. More generally known as a false alarm.

Should have known.

You're the only mother I've ever known.

It is known that Basanow took a trip to the mountains with his wife a few days ago, from which neither of the two returned.

Polly, it's a well-known fact. that your uncle was drunk at the time.

She'll be known as Orie from now on.

We might almost have known you were coming.

Do you think he told me anything I haven't known all along?

But it's not a well-known signature.

News and current affairs

It's a vicious circle, technically known as a poverty trap.

Moreover, the alternatives to nuclear energy - and to fossil fuels - are well known and technically much more advanced and sustainable.

As soon as the midwife saw that the baby was coming out feet forward, she must have known that there was little she could do to save either mother or baby.

They sought help from Yale University psychologist Carl Hovland and his associates, who produced what has become a well-known model of persuasion, comprising three groups of variables related to the communicator, the audience, and the message.

Even after Tamerlan had died, and Dzhokhar, already wounded, was the only known fugitive, the Boston authorities decided to close down the entire city.

Yet Iran may already see itself as victorious, with the current Iraqi government friendlier than any the Iranians have ever known.

The idea is basic and well known.

In the other half of the known planet, scientists were punished, even killed.

Most scientists assume that the basics of science are known.

Chemistry and biochemistry are similarly solid -- there are some things we don't understand about the body, but it is believed that the basic machinery of how cells and molecules interact is known.

This effort, known as the UN Millennium Project, will issue its report to Secretary-General Annan on January 17, 2005.

But when New Jersey Governor John Corzine was involved in a serious road accident last month, it became known that he violated his own state's law by not wearing his seat belt.

Except for the Palestinians, they have never known their countries other than as independent and comparatively stable states.

A key question is whether the Palestinian masses, fed up with their leadership's bickering, corruption, and incompetence, could make their wishes known to find an end to a conflict that has cost them so much.

The first, better-known diagnosis is that demand has collapsed because of high debt accumulated prior to the crisis.

The magnitude of the fiscal adjustment effort being demanded of Greece is now well known.

The country's competitiveness problems are also well known.

The sovereign-debt crisis is well known.

The immediate causes are well known.

Mexico, known primarily as a country of emigration, is home to millions of migrants from Central America.

The only certainty is that the future will be defined by scientific progress and innovation, which cannot be known ahead of time.

He played on Germany's well-known and respectable pacifist feelings.

The best-known examples are the magnets that drive the magnetic resonance imaging (MRI) machines found in most hospitals.

Fortunately, the mechanism for such coupling was known.

The immediate political response to the Japanese disaster will be to make small re-adjustments among known energy sources, including wind and solar.

PRAGUE - On Christmas Day last year, one of China's best-known human rights activists, the writer and university professor Liu Xiaobo, was condemned to 11 years in prison.

Ashcroft is much less known internationally than Secretary of Defense Donald Rumsfeld, but he is an even match in arousing dislike for the US among those who do know him.

Since the 1970's, Latin American countries have experienced, on average, 1.6 balance of payments crises per decade; some of the better known include the Mexican crisis of 1994-95, the Brazilian crisis of 1999, and the Argentine crisis of 2001-2002.

The teenagers' plans simply reflect a sad reality: these pupils are the second generation that has not known anything but war.