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• i
  i

  the imaginary number .
• I
  I

  noun

  the ninth letter of the English alphabet, a vowel.
• i-
  i-

  variant of y-.
• i.
  i.

  abbreviation

  imperator.
• -i-
  -i-

  the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.
• I.
  I.

  abbreviation

  Independent.
• -i
  -i

  suffix

  of or relating to a region or people, esp of the Middle East

i

¹ American  

Mathematics.

1. Also called imaginary unit.  the imaginary number .

2. a unit vector on the x -axis of a coordinate system.

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I ² American  

[ahy] / aɪ /

Or i

noun

• I's,
  plural
• Is,
  plural
• i's,
  plural
• is
  plural

1. the ninth letter of the English alphabet, a vowel.

2. any spoken sound represented by the letter I or i, as in big, nice, or ski.

3. something having the shape of an I.

4. a written or printed representation of the letter I or i.

5. a device, as a printer's type, for reproducing the letter I or i.

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I ³ American  

[ahy] / aɪ /

pronoun

• we,
  plural nominative
• me,
  objective
• us,
  objective
• my,
  possessive
• mine,
  possessive
• our,
  possessive
• ours
  possessive

1. the nominative singular pronoun, used in referring to oneself, the person speaking, writing, or otherwise communicating.

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noun

• I's
  plural

1. (used to denote the narrator of a literary work written in the first person singular.)

2. Metaphysics. the ego.

I ⁴ American  

abbreviation

1. interstate (used with a number to designate an interstate highway).

   I-95.

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I ⁵ American  

Symbol.

1. the ninth in order or in a series.

2. (sometimes lowercase) the Roman numeral for 1.

3. Chemistry. iodine.

4. Biochemistry. isoleucine.

5. Electricity. current.

6. Logic. particular affirmative.

7. (italics) isotopic spin.

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i- ⁶ American  

1. variant of y-.

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i. ⁷ American  

abbreviation

1. imperator.

2. incisor.

3. interest.

4. intransitive.

5. island.

6. isle; isles.

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-i- ⁸ American  

1. the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.

   cuneiform; Frenchify.

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I. ⁹ American  

abbreviation

1. Independent.

2. Island; Islands.

3. Isle; Isles.

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I ¹ British  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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I ² British  

symbol

1. chem iodine

2. physics current

3. physics isospin

4. logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiP Compare A E O 1

5. one See Roman numerals

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abbreviation

1. Italy (international car registration)

I. ³ British  

abbreviation

1. International

2. Island or Isle

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-i- ⁴ British  

1. used between elements in a compound word Compare -o-

   cuneiform

   coniferous

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i ⁵ British  

/ aɪ /

noun

1. the ninth letter and third vowel of the modern English alphabet

2. any of several speech sounds represented by this letter, in English as in bite or hit

3. 1. something shaped like an I

   2. ( in combination )

      an I-beam

4. to pay meticulous attention to detail

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-i ⁶ British  

suffix

1. of or relating to a region or people, esp of the Middle East

   Iraqi

   Bangladeshi

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i ⁷ British  

symbol

1. Also called: j.  the imaginary number √–1

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i Scientific  

/ ī /

1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.

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i Idioms  

1. see dot the i's and cross the t's.

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Grammar

See me.

Other Word Forms

Noun Inflected Forms

• I's
  plural
• Is
  plural
• i's
  plural
• is
  plural
• mine
  possessive
• my
  possessive
• our
  possessive
• ours
  possessive

Etymology

Origin of I

First recorded before 900; Middle English ik, ich, i, Old English ic, ih; cognate with Gothic ik, German ich, Old Norse ek, Latin ego, Greek egṓ, Old Church Slavonic azŭ, Lithuanian aš, Sanskrit ahám

Example Sentences

See Examples For:

i I i- i. -i- I. -i I's Is i's is we me us mine my our ours

The deal would mark Couche-Tard’s largest-ever acquisition after it abandoned a $47 billion takeover attempt of Seven & i, the Japanese owner of 7-Eleven, last year.

From The Wall Street Journal ● Sep. 1, 2026

David Zwirner presents Roy DeCarava’s “the sound i saw,” bringing together photographs taken in the late 1940s and 1960s.

From Los Angeles Times ● Sep. 1, 2026

Housing Secretary Angela Rayner has revealed plans for 70,000 new homes across England, according to the i Paper.

From BBC ● Aug. 24, 2026

The i Paper's top story also covers the landmark vaccine trial, which found patients with high-risk melanoma remained free of cancer for longer after surgery.

From BBC ● Aug. 20, 2026

Well, this book’s position is that yesterday’s custom can be safely ignored. i TOMBSTONE: Use It is I, not It is me.

From "Woe Is I" by Patricia T. O'Conner

“He had a real jumper, I mean, before he was 2,” David recalls.

From Los Angeles Times ● Sep. 17, 2026

"I feel that there's some stability in Europe."

From BBC ● Sep. 17, 2026

“In real terms, they were nearly as bad as after World War I and World War II and in the 1970s,” wrote a Goldman strategy team led by Christian Mueller-Glissmann.

From MarketWatch ● Sep. 17, 2026

“Faith had a place in every locker room I was in,” Hall of Fame quarterback Fran Tarkenton said in 2012.

From The Wall Street Journal ● Sep. 17, 2026

“Most people think I have died because I have tried very hard to efface the past,” she writes.

From "At Last She Stood" by Erin Entrada Kelly

Yet that doesn't make its turnaround solely the work of one heavily stubbled mastermind, who saved a company through his singular vision, taste and liberal use of the i- prefix.

From The Guardian ● Jan. 25, 2011

But it wasn't until Cipla came out with the i- pill in 2007, marketing it to modern young women through television and magazine advertising, that women took to it.

From Time ● May 26, 2010

She answered-163--vol i- that she had little to say to him or to the rest that were in the Tower.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

At a very early period, many of the nouns belonging properly to the i- and u-Declensions began to pass over to the a-Declension.

From Anglo-Saxon Grammar and Exercise Book with Inflections, Syntax, Selections for Reading, and Glossary by C. Alphonso (Charles Alphonso) Smith

Intelligence however had no-175--vol i- sooner reached the court of the reception afforded to the princess at Ricot, than directions arrived for her immediate removal to Woodstock.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

And a lot of people, not just the Gilbreths, were very worried that the “best women” i. e. highly educated women were not reproducing.

From Scientific American ● Sep. 21, 2023

Properties i. and ii. say that line integrals are linear, which is true of single-variable integrals as well.

From Textbooks ● Mar. 30, 2016

Combining the results from parts i. and ii., draw a rough sketch of f .

From Textbooks ● Mar. 30, 2016

Within minutes, I got my answer: “@sethporges yes. my girlfriend cathy and i. and i used to do puppet shows.”

From Forbes ● Jun. 26, 2012

See, too, Grotius De Jure, i. cap. ii.521.See an admirable dissertation on the opinions of the early Christians about military service, in Le Blant, Inscriptions chrétiennes de la Gaule, tome i. pp. 81-87.

From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by William Edward Hartpole Lecky

The concord of the 4th prefix, Mi-, is gi-, -i-, -ji-, and sometimes -mi-.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various

It may be a connecting sound, like the -i- in nacht-i-gale.

From A Handbook of the English Language by R. G. (Robert Gordon) Latham

Pearl diving has all but disappeared, particularly after the mass production of cultured pearls on farms after World War I. In Gulf countries, the extinction of this profession converges with a familiar story.

From The Wall Street Journal ● Aug. 6, 2026

So did I. The World Cup is over in less than two weeks, and France and Spain are currently the 1-2 favorites to win the thing.

From Los Angeles Times ● Jul. 8, 2026

Also in 2025, she was a finalist for the Alfred I. duPont-Columbia University Awards for her reporting and hosting of an audio investigation into a deadly U.S. refinery explosion.

From The Wall Street Journal ● May 29, 2026

Born in Oregon to Taiwanese immigrants, Wang is herself a beneficiary of the doctrine she defended during the historic oral argument—as am I. Following the argument, interest in her background exploded.

From Slate ● May 26, 2026

To be honest, so am I. I’m sure you have guessed that I am making you a quilt.

From "Hattie Big Sky" by Kirby Larson

Then, when you get to the step where you’re actually running the check-backup command, add -i ~/Downloads/pegasus.stix2 into the option section.

From The Verge ● Jul. 21, 2021

Singular masculine words end in -us, plurals end in -i.

From The Guardian ● Jun. 11, 2010

I E -i formed abstracts and nouns of agency; I E ar go; Min ari, way, track, trail.

From The Dakotan Languages, and Their Relations to Other Languages by A. W. (Andrew Woods) Williamson

Oncus -i: a welt: applied to welt-like ridges on caterpillars.

From Explanation of Terms Used in Entomology by John. B. Smith

In most words of this class the final -i of the stem is lost in the Nominative Singular; in others it appears as -e.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

The medieval Cloth Hall and St. Martin’s Church were two of the most prominent monuments in Ypres, Belgium, and among World War I’s early casualties.

From The Wall Street Journal ● Jul. 15, 2026

The company taking the top spot on Gauntlet I’s leaderboard External link was Skycutter, a British startup that partnered with Ukrainian drone company SkyFall.

From Barron's ● Apr. 28, 2026

“I don’t carry beef with people. And I’m not going to get into the history of Doc and I’s relationship right now. And I probably won’t ever. He’s fine in my book.”

From Los Angeles Times ● Oct. 10, 2024

In a statement read to the public inquiry examining how Letby was able to attack babies, Child I's mother said: "I believe the doctors and nursing staff should have acted earlier."

From BBC ● Sep. 19, 2024

“Law, my phone was disconnected cause I’s short this month. You talk to Yule May?”

From "The Help" by Kathryn Stockett

Watch: Is Canada about to join the EU?

From BBC ● Sep. 17, 2026

Is the iPhone Duo discriminating against left-handed users?

From The Wall Street Journal ● Sep. 17, 2026

Is it control of self-replicating armies of autonomous drones, or a cancer-free utopia that hits Type II on the Kardashev scale?

From Salon ● Sep. 16, 2026

Is it vertical applications like Harvey for legal or Cursor for coding?

From MarketWatch ● Sep. 15, 2026

Is that the only thing you know how to say?

From "Red Flags and Butterflies" by Sheryl Azzam

"I had really dotted all the i's and crossed all the t's of the experiment," he said.

From Science Daily ● May 18, 2026

It’s just making sure our i’s are dotted and our t’s are crossed.

From The Wall Street Journal ● Mar. 30, 2026

“I know sometimes people feel like, why hasn’t there been more information? But again, just trying to make sure we have i’s dotted and t’s crossed.”

From Los Angeles Times ● Feb. 26, 2025

"Your proposal does not adequately acknowledge the multiple and significant challenges such a transaction would face from US competition law enforcement agencies," Seven & i's letter added.

From BBC ● Sep. 5, 2024

She wrote in big curling script, and she dotted her letter i’s with stars.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

“What’s funny is Los Angeles has always been looked at, as far as sports, a Laker town,” manager Dave Roberts said this week.

From Los Angeles Times ● Sep. 17, 2026

The president is a pop-culture fanatic; he blasts Broadway showtunes at his rallies and was tweetstorming about Kristen Stewart a few years before becoming the leader of the free world.

From Slate ● Sep. 17, 2026

"The delegation will be under travel restrictions and will face prohibitions on the purchase of luxury and other goods per our policy. The delegation is smaller than last year."

From BBC ● Sep. 17, 2026

But in Luke’s case, it shouldn’t be long now before the whole world knows where his football career is headed.

From Los Angeles Times ● Sep. 17, 2026

In June 1969, Joey graduates from college and is accepted into graduate school at Middlebury College, where she earns a master’s degree in Spanish literature.

From "At Last She Stood" by Erin Entrada Kelly

“When someone in our community needs help, we help them.”

From Los Angeles Times ● Sep. 17, 2026

In other words, we have a larger, more destructive array of cyberattack tools.

From Slate ● Sep. 17, 2026

Brisbane 2032's chief executive has said organisers are making contingency plans "as we would for any venue".

From BBC ● Sep. 17, 2026

“In pop culture, we have introduced an entirely new fandom experience and destination that leans into things like trading cards and collectibles, but also exclusive collaborations, into one cohesive experience,” Sylvester said.

From MarketWatch ● Sep. 17, 2026

“We were thinking a few weeks from now, we might go away together.”

From "Split the Sky" by Marie Arnold

In Birmingham, it didn't affect me during the race, but I could feel something wasn't quite right.

From BBC ● Sep. 17, 2026

When looking at tests, many don’t mean anything to me.

From The Wall Street Journal ● Sep. 17, 2026

“The U.S. is absolutely vulnerable to a Pearl Harbor in space,” this person told me.

From Slate ● Sep. 17, 2026

They both have steady jobs in public services — normal, working-class people like me and my husband.

From MarketWatch ● Sep. 17, 2026

Her body heat warms me, calms my shivering.

From "Will’s Race for Home" by Jewell Parker Rhodes

“She called us, bawling, and we were loading the dog, comforting her,” Dowd said.

From Los Angeles Times ● Sep. 17, 2026

"I think both are equally valuable to us," he said.

From BBC ● Sep. 17, 2026

Anthropic researcher Jacob Coxon resigned on Sept. 8, warning that “the people building AI earnestly believe that it could kill us all by the end of the decade.”

From The Wall Street Journal ● Sep. 17, 2026

Much of my life is dedicated to preaching that art, and practicing reverence for it can be the glue that keeps us together when the world wants us torn apart.

From Salon ● Sep. 17, 2026

And in the confusion, some of us can escape.

From "At Last She Stood" by Erin Entrada Kelly

"Macklemore coming off tour was the promoter's decision, it was not mine," Sheeran wrote in a lengthy Instagram post, adding that the rapper's contract was ended by the promoter, Messina Touring Group.

From Barron's ● Sep. 15, 2026

“Increased mining rates at Break of Day following the Stage 2 cutback, along with mine life extensions at Penny, should drive higher head grades through FY27 and FY28,” says the broker.

From The Wall Street Journal ● Sep. 14, 2026

On April 19, it struck a British mine and sank.

From Science Daily ● Sep. 14, 2026

Launched five years ago, the project is based at the former Nant Helen opencast coal mine near Ystradgynlais, Powys.

From BBC ● Sep. 12, 2026

My stomach twists when she says that, and her wide, almond-shaped, coffee-brown eyes, framed by her perfectly plucked eyebrows, bore into mine.

From "Red Flags and Butterflies" by Sheryl Azzam

“I take my dream very seriously,” Luke said, “and I just try and do everything I can possible on and off the field to make my dream come true.”

From Los Angeles Times ● Sep. 17, 2026

For your evening enjoyment, my colleagues have some ideas about what to focus on instead.

From Slate ● Sep. 17, 2026

The book alleges: "Unlike my other callers, who were stunned, barely able to articulate their condolences and offers of help, he sounded giddily elated - like a lottery winner, I remember thinking at the time."

From BBC ● Sep. 17, 2026

Before I started working, Murano to me, was one door: my grandfather’s factory.

From The Wall Street Journal ● Sep. 17, 2026

Moving my mouth sideways across the harmonica reeds, I make up tunes.

From "Will’s Race for Home" by Jewell Parker Rhodes

“When someone in our community needs help, we help them.”

From Los Angeles Times ● Sep. 17, 2026

"I think it will go down very badly with our members," she said.

From BBC ● Sep. 17, 2026

“Monday’s scheduled meeting of Gulf and Iranian leaders in Oman was postponed, but our understanding is talks are still ongoing, and making progress,” he added.

From MarketWatch ● Sep. 17, 2026

Teammates and coaches deserve our best attempts to play with fortitude.

From The Wall Street Journal ● Sep. 17, 2026

“Ladies, perhaps some decorum on this fine Tuesday morning?” our music theory teacher scolds us as she walks by.

From "Split the Sky" by Marie Arnold

“It looked like this newsroom has money and ours doesn’t,” Koman adds.

From Los Angeles Times ● Sep. 11, 2026

They’re surprisingly warm inside, and ours made a cozy setting for pork belly skewers, crab puffs and smoked cocktails.

From Salon ● Sep. 8, 2026

"MSF's work in Sudan is privately funded. But when funding disappears from other health services, clinics close, patients have fewer places to go, and pressure shifts to the facilities that remain, including ours."

From BBC ● Sep. 8, 2026

But if we don’t sustain their vitality, how will they sustain ours?

From The Wall Street Journal ● Aug. 21, 2026

There are other meetings like ours being held, petitions being passed around, and calls for action.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

Related Words

• he
• it
• she
• sie
• they
• ve
• xe
• you
• ze
• zie