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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 UK's chief medical officer has released new guidance for people on weight loss injections that say people taking the jabs should start strength training, the i Paper reports.

From BBC ● Jul. 10, 2026

For the fiscal year that began in March, Seven & i now expects revenue to be flat at Y10.43 trillion and net profit to decline 5.0% to Y278.00 billion.

From The Wall Street Journal ● Jul. 9, 2026

YouTube surpassed Netflix in average daily viewing time in 2025, according to research firm Digital i cited in TechCrunch.

From Barron's ● Jul. 7, 2026

The i newspaper, which first reported the story, said it was found behind a ceiling panel within the last two months, and security services have been informed.

From BBC ● Jun. 9, 2026

If they failed to dot an i or cross a t, they could be rejected.

From "Because They Marched" by Russell Freedman

This poignant exhibition at the University of Cambridge spotlights work made during or after violent conflict, ranging from World War I ‘trench art’ to artifacts from the current war in Ukraine.

From The Wall Street Journal ● Jul. 15, 2026

“I just felt I had all the tools necessary to bring this character to life,” Guido said.

From Los Angeles Times ● Jul. 15, 2026

Mark Joseph Stern: There has been a lot of misunderstanding about exactly what the liberal justices did in B.P.J., and I want to clear that up.

From Slate ● Jul. 15, 2026

"I think there's a particular openness in Welsh culture to mystery, magic and folklore, and the film sort of became a joyous celebration of that in a lot of ways."

From BBC ● Jul. 15, 2026

I see distant jagged mountain bluffs touch the sky.

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

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

Mary received her in her chamber, to which she had now confined herself in expectation of that joyful-192--vol i- event which was destined never to arrive.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

Of the higher gentry, however, there were considerable numbers who-157--vol i- either went and established themselves in the protestant cities of Germany, or passed away the time in travelling.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

I answered, in my-382--vol i- judgement the Italian dress; which answer I found pleased her well, for she delighted to show her golden coloured hair, wearing a caul and bonnet as they do in Italy.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

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

For each of the following functions, determine the i. domain and ii. range.

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

Footnote 4: Barros, Dec. i. lib. i. cap.

From Agincourt The Works of G. P. R. James, Volume XX by James, G. P. R. (George Payne Rainsford)

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 Latham, R. G. (Robert Gordon)

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

But for the 11 months we were married, I experienced the glory of being a we instead of an I. Suddenly I was part of a giant club, the Partnered People.

From Los Angeles Times ● May 22, 2026

Jef I. Richards is a professor emeritus of advertising and public relations at Michigan State University’s College of Communication Arts and Sciences.

From The Wall Street Journal ● Apr. 15, 2026

In a recent study, Purusharth I. Rajyaguru and colleagues used Saccharomyces cerevisiae, a type of yeast commonly used in research, to explore how life might respond to Mars-like stress.

From Science Daily ● Apr. 12, 2026

But the pastor, the Reverend I. L. Anderson, insisted, and the meeting drew a crowd of several hundred people on the evening of May 14.

From "Because They Marched" by Russell Freedman

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

First log on as root, and then type dpkg -i icewm_0.8.12-1.deb, and icewm version 0.8.12 will be installed.

From Debian GNU/Linux : Guide to Installation and Usage by Goerzen, John

Pulvillus -i: soft, pad-like structures between tarsal claws: the cushions of short, stiff hair or other clothing on the underside of tarsal joints; rarely fleshy lobes: see arolium.

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

Tarsus -i: the foot; the jointed appendage attached at the apex of tibia. bearing the claws and pulvilli.

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

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

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

The WNBA’s No. 1 overall draft pick and Division I’s career scoring leader revved up a raucous Indiana Pacers crowd by pumping the accelerator of a replica IndyCar before Game 3 against the Milwaukee Bucks.

From Seattle Times ● Apr. 26, 2024

If you add ly, you end up with double I’s: awfully, carefully, usefully, wonderfully, etc.

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

Kalshi also opened markets on “Dancing With the Stars,” “Love Is Blind” and “The Traitors.”

From Los Angeles Times ● Jul. 15, 2026

Is her mother’s company really doing this to test out proprietary technology while ostensibly doing a good deed for a grieving parent?

From The Wall Street Journal ● Jul. 15, 2026

Is it time to talk about mandatory retirement ages?

From Slate ● Jul. 13, 2026

Is this probability too high or too low?

From MarketWatch ● Jul. 13, 2026

Is this your awkward way of asking to run with me?

From "Keeping Pace" by Laurie Morrison

"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

I care that you dot your i’s, you cross your t’s, that if you say you’re going to do something, you do it.

From The Wall Street Journal ● Mar. 12, 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

One nonprofit in Dallas reported that demand for food assistance is now higher than it was in 2008 during the financial crisis or in 2020 during the pandemic.

From MarketWatch ● Jul. 15, 2026

“War Craft” is an uneasy and vivid blend of daydream and nightmarish reality.

From The Wall Street Journal ● Jul. 15, 2026

See more: What IBM’s profit warning means: Hardware is ‘eating everyone’s lunch’

From MarketWatch ● Jul. 15, 2026

That corporation, OpenAI Group PBC, is still fully controlled by the nonprofit, whose mission directors fill the PBC’s board.

From The Wall Street Journal ● Jul. 15, 2026

Joey is only sixteen, but she’s pleased with the life that stretches before her—a road that many women have traveled before.

From "At Last She Stood" by Erin Entrada Kelly

“We’re not just going to bomb and bomb and bomb. We’re going to try to use our military force as one of the many tools that we have to solve the problem,” Vance said.

From The Wall Street Journal ● Jul. 15, 2026

There are steps we could take to make the court seem more like the public body it’s supposed to be.

From Slate ● Jul. 15, 2026

"This part of the Cairngorms National Park is popular with hillwalkers, and we ask that people remain vigilant while active firefighting continues."

From BBC ● Jul. 15, 2026

"If we do not see signs of disinflation soon, I am prepared to act," Federal Reserve governor Lisa Cook told an event in Washington.

From Barron's ● Jul. 15, 2026

We’ll have a nice meal when we leave this town and camp for the night.

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

“My Grandmother made me the person I am,” Dean said, introducing the song.

From Los Angeles Times ● Jul. 15, 2026

"He showed me pictures of his Army life," said the 57-year-old.

From BBC ● Jul. 15, 2026

“This recipe gives me the ability to deploy capital to these companies when they trade below intrinsic value,” along with confidence to invest more during periods of industry drawdowns, he said.

From MarketWatch ● Jul. 15, 2026

Mr. Alexander is enough of a practical politician to avoid such an analogy, but allow me to illustrate.

From The Wall Street Journal ● Jul. 15, 2026

“I don’t think those thieves will be circling back,” he says to me and Father.

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

“Many of us thought we’d now arrived at the era of making cars with robots, not human hands.”

From The Wall Street Journal ● Jul. 15, 2026

Most of the first episode gives us Lucky on the run, getting out of the hotel and out of Vegas, and across the tops of a field of big rigs.

From Los Angeles Times ● Jul. 15, 2026

We asked you to get in touch via BBC Your Voice to tell us who you thought should be included in a Scottish Hall of Fame and were overwhelmed by your responses.

From BBC ● Jul. 15, 2026

“For us, that means treating every stock as an ownership stake in the business,” he said.

From MarketWatch ● Jul. 15, 2026

“Oh yeah? I didn’t think that school had anyone that looked like us besides Ford. How many of you is there?” she asks.

From "Split the Sky" by Marie Arnold

Its advanced chromatographic separation process is designed to recover critical minerals from several streams: mixed rare-earth carbonate, recycled magnets, mine tailings, industrial residues, zinc byproducts, electronic scrap and other secondary materials.

From The Wall Street Journal ● Jul. 14, 2026

Announcing its decision to close the Venetia mine, De Beers said it needed to cut costs and streamline operations given the depressed state of the world diamond market.

From BBC ● Jul. 14, 2026

Knowing as a father that could have been me, could have been friends of mine, I felt very connected to those people.

From Los Angeles Times ● Jul. 14, 2026

De Beers announced Monday it will pause production at South Africa's largest diamond mine for two years to reduce costs while trading conditions remained tough.

From Barron's ● Jul. 13, 2026

Mutti put her arm through mine as we walked.

From "An Elephant in the Garden" by Michael Morpurgo

Detained since late January 2025, he described his time already spent behind bars as “extraordinarily difficult” and said, “I did not betray my country.”

From The Wall Street Journal ● Jul. 15, 2026

“By the time she was my age she had four kids, one was my mum, and now I get to do this.”

From Los Angeles Times ● Jul. 15, 2026

"After my mum passed away, I found myself returning frequently to west Wales, where our family is from," he told BBC Wales.

From BBC ● Jul. 15, 2026

"I woke up this morning and I didn't have to carry my ID anymore," Maria Jesus Walda, a 34-year-old civil engineer, told AFP as she headed into Gibraltar.

From Barron's ● Jul. 15, 2026

Unlike Father, I’ll tell my son about the land rush journey.

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

Odysseus is obsessed with honor, and Mr. Nolan has likewise done everything in his considerable power to pay worthy cinematic tribute to one of our foundational texts.

From The Wall Street Journal ● Jul. 15, 2026

"After my mum passed away, I found myself returning frequently to west Wales, where our family is from," he told BBC Wales.

From BBC ● Jul. 15, 2026

"We must take their concerns seriously or our party will suffer the consequences."

From Barron's ● Jul. 15, 2026

He said Conagra had what was “probably our strongest innovation pipeline” in place to engage consumers.

From MarketWatch ● Jul. 15, 2026

My eyes land on Alex, one of the best violinists in our sophomore year.

From "Split the Sky" by Marie Arnold

Ideally, I need to get to $250,000 to buy a modest apartment so my kid can have a place that is ours and has no debt associated with it.

From MarketWatch ● Jul. 14, 2026

"Their spirit was high, and ours is high as we welcome them."

From Barron's ● Jul. 10, 2026

Last week, at an event in Washington, House Speaker Mike Johnson reminded the audience of one of John Quincy Adams’ favorite lines: “Duty is ours; results are God’s.”

From Salon ● Jul. 10, 2026

The Washington monument is both architecture and sculpture, a powerful symbol with layered meanings for different generations from Washington’s time to ours.

From The Wall Street Journal ● Jul. 3, 2026

It was difficult, however, because to play Lotería we needed a caller, un cantor, and Papá had always been ours.

From "Summer of the Mariposas" by Guadalupe García McCall

Related Words

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