Meaning of “in” in the English Dictionary

"in" in British English

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inpreposition

uk /ɪn/ us /ɪn/

in preposition (INSIDE)

A1 inside a container, place, or area, or surrounded or closed off by something:

Is Mark still in bed?
I got stuck in a traffic jam for half an hour.
They live in a charming old house.
How much is that coat on display in the window (= in the space behind the window of the shop)?
I've got a pain in my back.
What's that in your hand?
I've got something in (= on the surface of) my eye.
They used to live in Paris, but now they're somewhere in Austria.
He's always looking at himself in the mirror (= at the image of his face produced by the mirror).
I never know what's going on in her head (= what she's thinking about).
My daughter's in hospital (US in the hospital) having her tonsils out.
US Is Erika still in school (= does she still go to school)?

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in preposition (PART)

A2 forming a part of something:

He used to be the lead singer in a rock band.
There are too many spelling mistakes in this essay.
I've been waiting in this queue for ages.
What do you look for in a relationship?
I can see a future champion in Joely (= I think that Joely might become a champion).
Talent like hers is rare in someone so young.

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in preposition (DURING)

A1 during part or all of a period of time:

We're going to Italy in April.
Some trees lose their leaves in (the) autumn.
I started working here in 2009.
Life in the 19th century was very different from what it is now.
Bye, see you in the morning (= tomorrow morning).
She was a brilliant gymnast in her youth (= when she was young).
How many civilians died in the Vietnam War?
This is the first cigarette I've had in three years.
I haven't had a decent night's sleep in years/ages (= for a long time).
in between

between the two times mentioned:

I have breakfast at 7.30, lunch at 1.00, and sometimes a snack in between.

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in preposition (NO MORE THAN)

A2 needing or using no more time than a particular amount of time:

Can you finish the job in two weeks?
She could get that essay done in a couple of hours if she really tried.
They completed the journey in record time (= faster than ever done before).

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in preposition (BEFORE THE END)

A2 before or at the end of a particular period:

Dinner will be ready in ten minutes.
We'll all be dead in a hundred years so there's no point worrying about it.
I'm just setting off, so I should be with you in half an hour.

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in preposition (EXPRESSED)

B1 expressed or written in a particular way:

Cheques should be written in ink.
She usually paints in watercolour.
They spoke in Russian the whole time.
He always talks in a whisper.

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in preposition (RESULT)

B2 used when referring to something that is done as a result of something else:

I'd like to do something for you in return/exchange for everything you've done for me.
The changes are in response to demand from our customers.
He refused to say anything in reply to the journalists' questions.

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in preposition (ARRANGEMENT)

B1 used to show how things or people are arranged or divided:

We all sat down in a circle.
The desks were arranged in rows of ten.
Discounts are available to people travelling in large groups.
Sometimes customers buy books in twos and threes, but rarely in larger quantities than that.
Cut the potatoes in two.
People are dying in their thousands from cold and starvation.

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in preposition (AGE/TEMPERATURE)

used when referring approximately to someone's age or the weather temperature:

Nowadays many women are in their late thirties when they have their first child.
Temperatures will be in the mid-twenties (= about 25 degrees).

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in preposition (COMPARING AMOUNTS)

used to compare one part of an amount of something with the total amount of it:

Apparently one in ten people/one person in ten has problems with reading.
UK The basic rate of income tax is 25 pence in (US on) the pound.

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in preposition (CHARACTERISTIC)

used to show which characteristic or part of a person or thing is being described:

The new version is worse in every respect - I much preferred the original.
Are the two bags equal in weight?
She's deaf in her left ear.

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in preposition (CAUSE)

[ + -ing verb ] used to show when doing one thing is the cause of another thing happening:

In refusing (= because she refused) to work abroad, she missed an excellent job opportunity.
The government banned tobacco advertising and, in doing so (= because of this), contributed greatly to the nation's health.
in that formal

because:

This research is important in that it confirms the link between aggression and alcohol.

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inadverb

uk /ɪn/ us /ɪn/

in adverb (FROM OUTSIDE)

A2 from outside, or towards the centre:

Could you bring the clothes in for me?
The roof of their house caved in during a hurricane.
Cut the pastry into a square and turn in the corners.
be in and out of somewhere informal

to often be staying in and receiving treatment in a particular place:

She's been in and out of hospitals ever since the accident.

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in adverb (INSIDE)

within an object, area, or substance:

We've been shut in all day.
UK Has the soup got any salt in?

in adverb (GIVEN)

B2 given or sent to someone official in order to be read:

When does your essay have to be in?
Remember to get your application in by the end of the week.

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in adverb (COAST)

towards the coast, beach, or harbour:

The tide comes in very quickly here and you can soon find yourself stranded.
We stood watching the ship come in.

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in adverb (COMPLETION)

used to refer to an activity that makes something complete:

Just pencil in the answer unless you're sure it's correct.
The text is finished, but the pictures will have to be pasted in later.
UK Would you mind filling in a questionnaire about what you watch on television?

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inadjective

uk /ɪn/ us /ɪn/ informal

fashionable or popular:

High heels are in this season.
The new jazz club seems to be the in place to go at the moment.

written abbreviation for inch

in-prefix

before l il-, before b, m or p im-, before r ir- uk /ɪn-/ us /ɪn-/

INadjective

uk /ˌaɪˈen/ us /ˌaɪˈen/ specialized

written abbreviation for the US state of Indiana: used in addresses

-insuffix

uk / -ɪn/ us / -ɪn/

used to form a noun which describes an activity in which many people take part:

(Definition of “in” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"in" in American English

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inpreposition, adverb [ not gradable ]

us /ɪn/

in preposition, adverb [ not gradable ] (WITHIN)

positioned inside or within the limits of something, or contained, surrounded, or enclosed by something:

There’s a cup in the cabinet.
Anne is still in bed.
Don’t stand in the driveway.
He’s always looking at himself in the mirror.
Clarice lives in Orlando.
He was in prison (= a prisoner).
Erika is still in school (= still a student).
He has a pain in his shoulder.
in and out

If you are in and out of a place, you go there and leave, often repeatedly:

Since the accident, she’s been in and out of the hospital several times.

in preposition, adverb [ not gradable ] (INCLUSION)

being a member or forming a part of something:

Who’s the woman in that painting?
Mr. Harper is in a meeting.
I’ve been waiting in line for two hours.
Do you take milk in your coffee?

in preposition, adverb [ not gradable ] (SITUATION)

experiencing a situation, condition, or feeling:

We watched in horror as the cars crashed.
I’d like to talk to you in private.
He left in a hurry.
Have you ever been in love?
He’s always in a bad mood on Monday mornings.
Temperatures tomorrow will be in the 70s (= between 70 and 79 degrees).

inpreposition

us /ɪn/

in preposition (moving toward)

into or toward:

Get in the car.
She stepped in the batter’s box.
He looked in my direction.

in preposition (connected with)

involved or connected with something, esp. with a job or subject:

I never knew you were in publishing.
I’m taking a course in economics next semester.

in preposition (WEARING)

wearing, covering, or decorated with:

Do you recognize that man in the gray suit?
The living room is done in blue and green.

in preposition (USING)

said, made, or done using something:

Fill out the application in ink.
They spoke in Russian the whole time.

in preposition (DURING)

during part or all of a period of time or an event:

We’re going to Arizona in April.
What was it like to be a student in 1968?
See you in the morning.
How many people died in the war?
She’s in her forties (= between 40 and 49 years old).

In can also mean no longer than a particular period of time:

Can you finish the job in two weeks?

In can also mean at the end of a particular period of time:

I should be there in half an hour.

in preposition (ARRANGEMENT)

used to show how something is arranged or divided:

We sat in a circle around the campfire.
The potatoes will bake faster if you cut them in half.

in preposition (comparing amounts)

used to compare a part of an amount of something with the total amount of it; out of:

The survey found that one person in ten has a reading problem.
The chance of that happening is one in a million.

in preposition (CHARACTERISTIC)

used to show which characteristic of a person or thing is being described:

She’s deaf in her left ear.
Canned vegetables are not very rich in vitamins.
I wasn’t using the word "guarantee" in its strict legal sense.

in preposition (CAUSE)

used to show that doing one thing is the cause of another thing happening:

I leaned out of the canoe and in doing so tipped it over.
It might be made of plastic, in which case it will be light enough to carry.

inadverb

us /ɪn/

in adverb (from outside)

[ not gradable ] from outside, or toward the center:

Could you bring the clothes in for me?
The roof of their house caved in during a hurricane.

in adverb (at place)

at a place, esp. at home or a place of work:

Why is it that whenever I call, you are never in?
Danielle was out sick last week – do you know if she’ll be in today?

in adverb (PLACE)

[ not gradable ] used to show that a space or place exists where something can be put or added:

Just pencil in your answers on the attached sheet.
The text is finished, but the pictures need to be pasted in.

[ not gradable ] For many sports, if a ball is in, it has not gone outside the edges of the area on which the game is played.

in adverb (POLITICS)

into an elected position or office:

She’s been voted in for a second term as treasurer.

inadjective, adverb

us /ɪn/ infml

in adjective, adverb (FASHIONABLE)

fashionable or popular:

That new jazz club is the in place to go.
High heels came in again this season.

innoun [ C ]

us /ɪn/

in noun [ C ] (ADVANTAGE)

an advantage resulting from a good relationship with someone powerful:

Sal has an in with someone at the theater.

in.noun [ C ]

plural in.

abbreviation forinch

in-prefix

us /ɪn/

used to add the meaning not, lacking, or the opposite of to adjectives and to words formed from adjectives:

incomplete/incompletely

(Definition of “in” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"in." in Business English

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in.noun [ C ]

also in uk us MEASURES

written abbreviation for inch

(Definition of “in.” from the Cambridge Business English Dictionary © Cambridge University Press)