in

1 of 11

preposition

ˈin How to pronounce in (audio)
ən,
ᵊn
1
a
used as a function word to indicate inclusion, location, or position within limits
in the lake
wounded in the leg
in the summer
b
: into sense 1
went in the house
2
used as a function word to indicate means, medium, or instrumentality
written in pencil
bound in leather
3
a
used as a function word to indicate limitation, qualification, or circumstance
alike in some respects
left in a hurry
b
: into sense 4a
broke in pieces
4
used as a function word to indicate purpose
said in reply
5
used as a function word to indicate the larger member of a ratio
one in six is eligible

in

2 of 11

adverb

1
a(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 combination
built-in bookcases
c
: to or at an appropriate place
fit a piece in
2
a
: 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 on
in 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

3 of 11

adjective

1
a
: 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
3
a
: extremely fashionable
the in thing to do
b
: keenly aware of and responsive to what is new and fashionable
the in crowd

in

4 of 11

noun

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 commandantHenriette Roosenburg

in

5 of 11

abbreviation (1)

1
inch
2
inlet

In

6 of 11

symbol

indium

IN

7 of 11

abbreviation (2)

Indiana

in-

8 of 11

prefix (1)

variants or il- or im- or ir-
: not : non-, un-
usually il- before l
illogical
, im- before b, m, or p
imbalance
immoral
impractical
, ir- before r
irreducible
, and in- before other sounds
inconclusive

in-

9 of 11

prefix (2)

variants or il- or im- or ir-
1
: in : within : into : toward : on
usually il- before l
illuviation
, im- before b, m, or p
immingle
, ir- before r
irradiance
, and in- before other sounds
infiltrate
2
: en- entry 1
imbrute
imperil
inspirit

-in

10 of 11

noun suffix

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

-in

11 of 11

noun combining form

: organized public protest by means of or in favor of : demonstration
teach-in
love-in
Phrases
in for
: certain to experience
in for a rude awakening

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.
Recent Examples on the Web
Preposition
And, in the closing minutes, the Hawkeyes were only six points down and in striking distance of a miraculous comeback. Los Angeles Times, 13 Apr. 2024 President Biden was in spin mode Wednesday when a reporter asked him to comment on data showing an uptick in the inflation rate. Matthew Continetti, National Review, 13 Apr. 2024 However, the Patriots were 0-3 in the NorCal Classic at Tracy High School last weekend. Jim Lindgren, San Diego Union-Tribune, 13 Apr. 2024 Kansas City is 2-1-4 and in seventh place in the West. Michelle Kaufman, Miami Herald, 13 Apr. 2024 Founded in 2010 by Andrés, World Central Kitchen is devoted to cooking and delivering meals to people in need following social and environmental disasters. Michaela Zee, Variety, 2 Apr. 2024 One person is dead and police believe a suspect may be barricaded in a home on the west side of Indianapolis. Jake Allen, The Indianapolis Star, 2 Apr. 2024 The ballot measure will have to win at least 60% of the vote in November in order to become law. Max Greenwood, Miami Herald, 2 Apr. 2024 Ben had died in an unfortunate accident involving a pile of boxes. Camille Butera, WIRED, 1 Apr. 2024
Adverb
And even though there are still a plethora of heteronormative love triangles and television often still adheres to the status quo, nuance has crept in. Lorena O’Neil, Los Angeles Times, 13 Apr. 2024 Cooler air will make its way back in over the Rockies Sunday into Monday, dragging temperatures back near and below average there. Daniel Amarante, ABC News, 13 Apr. 2024 How will traffic affect drivers on I-94? People driving to the concert should give themselves plenty of time to drive in, especially on April 12 during the Friday evening commute. Alex Groth, Journal Sentinel, 12 Apr. 2024 The congressman had been flown in from his Bimini home the night before. Bea Hines, Miami Herald, 12 Apr. 2024 The next four teams will have to claw their way in through the play-in tournament. Jason Anderson, Sacramento Bee, 10 Apr. 2024 After the school board voted not to let him back in, overnight the story broke. Liz McNeil, Peoplemag, 10 Apr. 2024 Take some of your brilliant lawyers from the Corporation Counsel and put them in there and start holding hearings. Danielle Wallace, Fox News, 2 Apr. 2024 Knight and McGee head in to check it out and are momentarily startled to see a human-sized green-skinned alien, which turns out to be a dummy belonging to another dummy: Galactic Watch Society radio operator Nestor Quinn (Tommy Snider). Sara Netzley, EW.com, 1 Apr. 2024
Adjective
Southland Prep celebrates at ‘All-In’ college rally Southland College Prep Charter High School in Richton Park recently celebrated for the tenth consecutive year that all members of its senior class have been accepted to college. Paul Eisenberg, Chicago Tribune, 5 May 2023 But on their in-state routes, Alaska Air is the only option. Scott McMurren, Anchorage Daily News, 28 Jan. 2023 Abby is famously swole, and her in-game body was based on Colleen Fotsch, a CrossFit star. Paul Tassi, Forbes, 28 Jan. 2023 And on an individual level are players such Riley Mahlman and Kaden Johnson, highly-touted prospects from Minnesota who declined the chance to play for their in-state school and joined forces with its oldest rival. Mark Stewart, Journal Sentinel, 23 Nov. 2022 While SeatGeek immediately shows the all-in price on its website, on its mobile app, the company only shows fees immediately if customers turn the filter on, but that filter button isn’t visible without scrolling. Ethan Millman, Rolling Stone, 7 Nov. 2022 Taxes on the homes are additional, but the all-in cost is lower than land-lease parks. Scott Burns, Dallas News, 24 Apr. 2022 Yumi customers also get exclusive access to its in-house team of experts, including pediatricians and nutritionists, to offer support along your food journey. Stefani Sassos, Good Housekeeping, 30 Dec. 2022 This year, earmarks comprise more than half of the additional $103 million the agency received for its in-house research account and nearly one-quarter of NIST’s overall budget of $1.6 billion. Byjeffrey Mervis, science.org, 29 Dec. 2022
Noun
That crew eliminated the Sacramento Kings in the playoffs a year ago in a seven-game series, and the Warriors return to Golden 1 Center on Tuesday night for an encore in a play-in, must-have game. Joe Davidson, Sacramento Bee, 15 Apr. 2024 The Heat, No. 8 in the East, would have been locked into the play-in (meaning a seventh or eighth seed) with a loss on Wednesday, combined with a Cleveland win against Memphis and an Orlando win at Milwaukee. Barry Jackson, Miami Herald, 11 Apr. 2024 Their son, Evan, a foreign correspondent for The Journal who was on a reporting assignment in Russia, had missed his daily security check-in. Katie Robertson, New York Times, 29 Mar. 2024 Forty Niner 6 drive-in, 4450 Marysville Blvd., in northeast Sacramento County, opened as a single screen on June 29, 1950 under the name Bell Drive-in. Jacqueline Pinedo, Sacramento Bee, 27 Mar. 2024 How to say 'Erin Go Bragh' on Saint Patrick's Day How to say it: Air-in... go... braw. John Tufts, The Courier-Journal, 12 Mar. 2024 Electrical plants with rotating generators are giving way to solar and wind farms fronted by power inverters, which convert the renewables’ DC-out into the grid’s AC-in. IEEE Spectrum, 14 Feb. 2024 That switch in the order of events related to liability is comparable to the difference between opt-in and opt-out in privacy. Jaron Lanier, WIRED, 13 Feb. 2024 Ryan O’Meara brought his black Angus steer named Ace to the Carroll County Agriculture Center in Westminster Friday for the annual 4-H Beef Weigh-in. Thomas Goodwin Smith, Baltimore Sun, 8 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'in.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

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

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

Dictionary Entries Near in

Cite this Entry

“In.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in. Accessed 19 Apr. 2024.

Kids Definition

in

1 of 6 preposition
(ˈ)in How to pronounce in (audio)
ən,
ᵊn
1
a
used to show enclosing, including, or placing within limits
in the lake
wounded in the leg
in the summer
in a minute
b
: into sense 1a
went in the house
don't come in here with those muddy feet
2
used to show means or medium
written in pencil
works in plastics
photographs in color
3
a
used to show a state or condition
we're in trouble
is made in three sizes
in power
in love
b
: into sense 2a
broke in pieces
4
used to show manner or purpose
said in reply
5
used to show the larger member of a ratio
one in five

in

2 of 6 adverb
1
a
: to or toward the inside
went in and closed the door
b
: to or toward a place
flew in yesterday
c
: so as to be or seem near
play close in
d
: into the midst of something
mix in the flour
e
: to or at its proper place
fit a piece in
f
: so as to be in agreement
fell in with our plans
2
a
: on the inner side : within
everyone is in
b
: on good terms
in with the right people
c
: in fashion
boots are in this year
d
: at hand : on hand
the evidence was in
harvests are in

in

3 of 6 adjective
1
a
: being inside or within
the in part
b
: being in power
the in party
2
: directed or bound inward : incoming
the in train
3
a
: very fashionable
the in thing to do
the in place to go
b
: very aware of and taking part in what is new and fashionable
the in crowd

in-

4 of 6 prefix
variants or il- or im- or ir-
: not : non-, un-
usually il- before l
illogical
, im- before b, m, or p
imbalance
immoral
impractical
, ir- before r
irreducible
, and in- before other sounds
inconclusive

in-

5 of 6 prefix
variants or il- or im- or ir-
1
: in : within : into : toward : on
usually il- before l, im- before b, m, or p, ir- before r, and in- before other sounds
infiltrate
2
: en- sense 2
imperil

-in

6 of 6 noun suffix
ən
: chemical compound
stearin
insulin
niacin
Etymology

Prefix

derived from Latin in- "not"

Prefix

derived from Latin in "in, into"

Noun suffix

derived from Latin -ina, -inus (adjective suffixes)

Medical Definition

in

1 of 2 abbreviation
inch

In

2 of 2 symbol
indium

Legal Definition

in

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

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