\ ˈin How to pronounce in (audio) , ən, ᵊn \

Definition of in

 (Entry 1 of 11)

1a used as a function word to indicate inclusion, location, or position within limitsin the lakewounded in the legin the summer
b : into sense 1 went in the house
2 used as a function word to indicate means, medium, or instrumentalitywritten in pencilbound in leather
3a used as a function word to indicate limitation, qualification, or circumstancealike in some respectsleft in a hurry
b : into sense 4a broke in pieces
4 used as a function word to indicate purposesaid in reply
5 used as a function word to indicate the larger member of a ratioone in six is eligible
\ ˈin How to pronounce in (audio) \

Definition of in (Entry 2 of 11)

1a(1) : to or toward the inside especially of a house or other building come in
(2) : to or toward some destination or particular place flew in on the first plane
(3) : at close quarters : near play close in
b : so as to incorporate mix in the flour often used in combinationbuilt-in bookcases
c : to or at an appropriate place fit a piece in
2a : within a particular place especially : within the customary place of residence or business the doctor is in
b : in the position of participant, insider, or officeholder often used with onin on the joke
c(1) : on good terms
(2) : in a specified relation in bad with the boss
(3) : in a position of assured or definitive success
d : in vogue or season
e of an oil well : in production
f : in one's presence, possession, or control after the crops are in
g : from a condition of indistinguishability to one of clarity fade in
in for
: certain to experience in for a rude awakening
\ ˈin How to pronounce in (audio) \

Definition of in (Entry 3 of 11)

1a : that is located inside or within the in part
b : that is in position, operation, or power the in party
2 : that is directed or bound inward : incoming the in train
3a : extremely fashionable the in thing to do
b : keenly aware of and responsive to what is new and fashionable the in crowd

in

noun
\ ˈin How to pronounce in (audio) \

Definition of in (Entry 4 of 11)

1 : one who is in office or power or on the inside a matter of ins versus outs
2 : influence, pull enjoyed some sort of in with the commandant— Henriette Roosenburg

Definition of in (Entry 5 of 11)

1 inch
2 inlet

Definition of In (Entry 6 of 11)

indium

Definition of IN (Entry 7 of 11)

Indiana
variants: or il- or im- or ir-

Definition of in- (Entry 8 of 11)

: not : non-, un- usually il- before lillogical , im- before b, m, or pimbalanceimmoralimpractical , ir- before rirreducible , and in- before other soundsinconclusive
variants: or il- or im- or ir-

Definition of in- (Entry 9 of 11)

1 : in : within : into : toward : on usually il- before lilluviation , im- before b, m, or pimmingle , ir- before rirradiance , and in- before other soundsinfiltrate
2 : en- entry 1 imbrute imperil inspirit

Definition of -in (Entry 10 of 11)

1a : neutral chemical compound insulin
b : enzyme pancreatin
c : antibiotic penicillin
2 : -ine entry 2 sense 1a epinephrin
3 : pharmaceutical product niacin

Definition of -in (Entry 11 of 11)

: organized public protest by means of or in favor of : demonstration teach-in love-in

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Synonyms & Antonyms for in

Synonyms: Preposition

Synonyms: Adverb

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

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Examples of in in a Sentence

Preposition Don't come in here with those muddy feet! drawn on the wall in crayon Adverb She went in and closed the door. I lost my keys and now I can't get in. The burglars broke in through the kitchen window. The pool is deep. Be careful not to fall in. The boss called us in for a conference. The fog was closing in fast. Get your orders in early! Is the train in yet? Adjective the in thing to do the in place to go It's what the in crowd is wearing this season. Noun When you're trying to get started in show business, it helps to have an in. They must have an in with the boss.
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Recent Examples on the Web: Adverb The app is founded by former Disney executives Jeffrey Katzenberg and Meg Whitman, who have tapped some of Hollywood's biggest names to star in and produce shows for the new platform. Kayla Keegan, Good Housekeeping, "What Is Quibi? Here's Everything You Need to Know About the Streaming App," 19 Mar. 2020 Cancelling plans to stay in and watch Love Is Blind while inhaling popcorn is pure pleasure. Aliza Abarbanel, Bon Appétit, "17 Ways to Feel Good at Home Right Now," 18 Mar. 2020 A week later, DeWine recommended that his state’s colleges suspend in-person classes. Katie Zezima, Washington Post, "Ohio Gov. Mike DeWine’s coronavirus response has become a national guide to the crisis," 16 Mar. 2020 Beshear called on Kentucky's public and private schools to halt in-person classes to prevent the further spread of COVID-19. Olivia Krauth, The Courier-Journal, "Gov. Andy Beshear to Kentucky schools: Let teachers work from home," 13 Mar. 2020 Legal permanent residents of the US are still allowed in, as are most of their close family members. Alex Davies, Wired, "Trump's Europe Travel Ban Delivers Another Blow to Airlines," 13 Mar. 2020 Video posted to Twitter shows one man start off the tune, then from their windows, an entire street full of people join in, filling the night with beautiful singing. Caitlin O'kane, CBS News, "Video shows quarantined Italians singing together from their windows while country is on lockdown," 13 Mar. 2020 The state's largest private school joins a growing list of state public and private universities to suspend in-person classes since UW-Madison became the first to do so Wednesday. Devi Shastri, Milwaukee Journal Sentinel, "Marquette University moving online, telling students to avoid returning to campus if possible," 12 Mar. 2020 The start-up reckoning is underway, as investor anxiety and cold financial reality settle in. New York Times, "The World Isn’t Ready for a Major Coronavirus Outbreak," 10 Mar. 2020 Recent Examples on the Web: Adjective At Volkswagen AG, the forceful Herbert Diess (who was passed over for the top job at BMW) has made some bold moves, including an all-in bet on electric vehicles. Washington Post, "BMW Wants a CEO Who Can Perform Miracles," 23 May 2019 In particular, management needs to convince people that the all-in bet on electric vehicles won’t be a financial disaster (the company now plans to build a battery cell factory at home). Chris Bryant | Bloomberg, Washington Post, "Welcome to Volkswagen, Where Nothing Makes Sense," 14 May 2019 If the alternative to an all-in bet was another year of underwhelming returns, Toronto's choice was clear all year. Andrew Sharp, SI.com, "We The Champs: Kawhi, Masai and the Legend of the 2019 Raptors," 14 June 2019 Andre Roberson's injury has hurt them worse than anyone could have imagined, and suddenly the all-in bet on one year of George is becoming a more sobering proposition. Andrew Sharp, SI.com, "The Year of Stress in the Western Conference," 9 Mar. 2018 But this latest test suggests that the United States may already be in range as well, and that, as one former top American intelligence official noted recently, would put enormous pressure on American missile defenses that few trust to work. Chris Stirewalt, Fox News, "Trump looks east for new foreign policy," 5 July 2017 But this latest test suggests that the United States may already be in range as well, and that, as one former top American intelligence official noted recently, would put enormous pressure on American missile defenses that few trust to work. David E. Sanger, New York Times, "What Can Trump Do About North Korea? His Options Are Few and Risky," 4 July 2017 Recent Examples on the Web: Noun Despite Democratic setbacks, the Kentucky Republican was able to get bipartisan buy-in with a vote of 96-0. Phillip M. Bailey, The Courier-Journal, "Paul's positive sets off firestorm, McConnell delivers on stimulus," 26 Mar. 2020 After run-ins with protesters in New Hampshire and California, Joe Biden officially received full protection from the Secret Service on Tuesday, according to a spokesperson. Caitlin Conant, CBS News, "2020 Daily Trail Markers: Primaries go on in three states despite coronavirus," 17 Mar. 2020 This was not the former vice president's first hostile run-in with a voter on the 2020 campaign trail. John Gage, Washington Examiner, "Don Trump Jr.: Biden exhibiting signs of Alzheimer's or dementia in 'snap back' at voter," 10 Mar. 2020 Donald had run-ins with the law as far back as the early 1990s. David Tarrant, Dallas News, "Family struggling with questions after VA police shoot and kill Army veteran at medical center in Dallas," 7 Mar. 2020 Grieving the loss of their mother and facing an uncertain future, Mary Beth & Priscilla Connolly cover up a gruesome run-in with a dangerous man. SFChronicle.com, "Movie Screening: Blow the Man Down," 2 Mar. 2020 No timeout was called and not much could be said because Capital One Arena got loud after Georgetown converted a tip-in with 17 seconds left to tie the game, 63-63. Adam Baum, Cincinnati.com, "An ugly game, a clutch 3 and a roadkill: How Xavier escaped with a win over Georgetown," 1 Mar. 2020 Two pen testers who broke into an Iowa courthouse as part of their job recently spent 12 hours in jail after a run-in with local authorities. Lily Hay Newman, Wired, "How a Hacker's Mom Broke Into a Prison—and the Warden's Computer," 26 Feb. 2020 Antetokoumpo had a run-in with Blake Griffin in a chippy game and the Bucks' superstar essentially called Detroit a dirty team. Dana Gauruder, Detroit Free Press, "Sekou Doumbouya gets 1st taste of Giannis Antetokoumpo as Bucks own Pistons again," 21 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'in.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of in

Preposition

before the 12th century, in the meaning defined at sense 1a

Adverb

before the 12th century, in the meaning defined at sense 1a(1)

Adjective

1599, in the meaning defined at sense 1a

Noun

1764, in the meaning defined at sense 1

History and Etymology for in

Preposition

Middle English, from Old English; akin to Old High German in in, Latin in, Greek en

Prefix (1)

Middle English, from Anglo-French, from Latin; akin to Old English un-

Prefix (2)

Middle English, from Anglo-French, from Latin, from in in, into

Noun suffix

French -ine, from Latin -īna, feminine of -īnus of or belonging to — more at -en

Noun combining form

sit-in

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Time Traveler for in

Time Traveler

The first known use of in was before the 12th century

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Statistics for in

Cite this Entry

“In.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in. Accessed 6 Apr. 2020.

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More Definitions for in

How to pronounce -in (audio)

English Language Learners Definition of in

 (Entry 1 of 4)

used to indicate location or position within something
: to the inside of (a room, container, etc.)
used to indicate that someone or something belongs to or is included as part of something
How to pronounce -in (audio)

English Language Learners Definition of in (Entry 2 of 4)

: to or toward the inside of something (such as a building)
: to or toward a place
: at the place where someone or something arrives after traveling
How to pronounce -in (audio)

English Language Learners Definition of in (Entry 3 of 4)

: popular or fashionable
: aware of and strongly influenced by what is new and fashionable

in

noun
How to pronounce -in (audio)

English Language Learners Definition of in (Entry 4 of 4)

chiefly US, informal : a way of becoming involved in something or of influencing someone
\ ˈin How to pronounce in (audio) , ən \

Kids Definition of in

 (Entry 1 of 7)

1 : located or positioned within The house is in the country.
2 : into sense 1 We ran in the house.
3 : during It's warmer in the summer.
4 : with sense 2 I wrote in pencil.
5 used to show a state or conditionYou're in luck!We're in trouble.
6 used to show manner or purposeI'm in a hurry.He laughed in reply.
7 : into sense 2 It broke in pieces.
\ ˈin How to pronounce in (audio) \

Kids Definition of in (Entry 2 of 7)

1 : to or toward the inside I went in and closed the door.
2 : to or toward some particular place We flew in yesterday.
3 : near entry 1 sense 1 Play close in.
4 : into the midst of something Mix in the flour.
5 : to or at its proper place Can you fit this piece in?
6 : on the inner side : within Everyone is in.
7 : present and available for use All the votes are in.
in for
: sure to experience He was in for a surprise.
\ ˈin How to pronounce in (audio) \

Kids Definition of in (Entry 3 of 7)

1 : being inside or within the in part
2 : headed or bound inward the in train

Kids Definition of in.

inch

Kids Definition of IN

Indiana

in-

prefix
variants: or il- or im- or ir-

Kids Definition of in-

 (Entry 1 of 7)

: not : non-, un- usually il- before lillogical , im- before b, m, or pimmoralimpractical , ir- before rirreconcilable and in- before other soundsincomplete

in-

prefix
variants: or il- or im- or ir-

Kids Definition of in- (Entry 2 of 7)

1 : in : within : into : toward : on usually il- before lilluminate , im- before b, m, or pimport , ir- before rirradiate , and in- before other soundsinfect
2 : en- sense 2 imperil

Medical Definition of in

 (Entry 1 of 2)

inch

Medical Definition of In (Entry 2 of 2)

indium

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Legal Definition of in

: under the law of : based on brought an action in negligenceNational Law Journal

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More from Merriam-Webster on in

Thesaurus: All synonyms and antonyms for in

Rhyming Dictionary: Words that rhyme with in

Spanish Central: Translation of in

Nglish: Translation of in for Spanish Speakers

Britannica English: Translation of in for Arabic Speakers

Britannica.com: Encyclopedia article about in

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