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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

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

From Barron's ● Jul. 16, 2026

The i Weekend says the prime minister and political leaders remember Widdecombe as a "distinguished politician", with the paper remarking she "delighted millions" when she appeared on the BBC's Strictly Come Dancing in 2010.

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

“Mademrtr cried her kid sister, and stamped out behind her. “Ltd i pasgp” Yossarian observed good-naturedly.

From "Catch-22" by Joseph Heller

Reflecting on her lifelong love of colour, Kreitzman said when she moved into her first rental apartment "it was the first time I could paint the colours I wanted".

From BBC ● Jul. 17, 2026

When I met him there a few weeks later, he told me he planned to deal with his disappointment with some ambitious plans for his city region.

From BBC ● Jul. 17, 2026

"She saw my bracelets that I wearing and she just came at me," chuckled Joseph.

From BBC ● Jul. 17, 2026

"They connect you to something mystical, and you never know exactly who's going to answer. I love that idea."

From BBC ● Jul. 17, 2026

It feels as though Ma and I have a pact.

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

This prefix thus appears as en-, i-, il-, im-, in-, ir-, as enemy, ignoble, illegal, immortal, infirm, irregular.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Letters and proclamations were at the same time dispersed by Ashton, in-212--vol i- which the name of Elizabeth was employed without scruple.

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

Your majesty's humble sister to commandment, "Elizabeth." -107--vol i-

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

Milman, Hist. of Latin Christianity, vol. i. p.

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

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)

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

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

Guy Fieri didn’t know about it, and neither did I. Oh no, he did.

From Los Angeles Times ● Apr. 26, 2026

In World War II, the British Army suffered half the losses they had in World War I. Yet civilian casualties were higher.

From The Wall Street Journal ● Mar. 27, 2026

Yes, Jonny didn't play up to scratch but neither did I. I was trying too hard because I wanted to win.

From BBC ● Mar. 26, 2026

So did I. It wouldn’t be that hard to get in and out.

From "The Light in Hidden Places" by Sharon Cameron

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

Flocculus -i: a hairy or bristly appendage on the posterior coxa of some Hymenoptera.

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

Pg 62 Sometimes it is not. toumba, to fall. toumbarèu, -ello, likely to fall. canta, to sing. cantarèu, -ello, songful. crese, to believe. creserèu, -ello, inclined to belief. -i.

From Frédéric Mistral Poet and Leader in Provence by Downer, Charles Alfred

Caleb said he was told the Llantrisant Mace was older than most of the Crown Jewels and survived Oliver Cromwell trying to melt down any remaining precious metal bearing Charles I's crest.

From BBC ● Jun. 18, 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

They include everything from sketches of Apple logos to the bench and desk of the Apple I’s presentation at the Homebrew Computer Club a half-century ago.

From The Wall Street Journal ● Apr. 3, 2026

Queen Elizabeth I’s elaborate mask-like daily makeup ritual not only hid her smallpox scars but was also meant to project a preternatural agelessness.

From Los Angeles Times ● Mar. 24, 2024

“Now don’t you mess with me this morning,” Elisha said, “because you ain’t got so holy I can’t turn you over my knee. I’s your big brother in the Lord—you just remember that.”

From "Go Tell It on the Mountain" by James Baldwin

Appeared in the July 17, 2026, print edition as 'The Sabbath Is a Chance to Read Again'.

From The Wall Street Journal ● Jul. 16, 2026

"Is he apologising because he can't get his facts right or is he apologising for the hurt he's caused me?" he said.

From BBC ● Jul. 15, 2026

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

From Los Angeles Times ● Jul. 15, 2026

Is there any way you can increase your income?

From MarketWatch ● Jul. 14, 2026

Is it possible that I did the best I could, with the choices I had?

From "The Brightwood Code" by Monica Hesse

“No matter what the federal government was doing, they knew that if they weren’t dotting their i’s and crossing their t’s, they were going to get called to account,” Hilton said.

From Salon ● Jul. 15, 2026

"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

The deputy chief told Boyd that Spivey’s body was towed “to make sure that every i’s dotted, t’s crossed to clear you.”

From The Wall Street Journal ● Dec. 21, 2025

The i's Anna Bonet added Intermezzo is "mature and profound and feels like a culmination of everything she has done before".

From BBC ● Sep. 23, 2024

I’ve won the writing prize twice, and I would have this week, too, but I decided to leave some i’s undotted.

From "In the Time of the Butterflies" by Julia Alvarez

Brown is the latest prominent infrastructure executive Zuckerberg has recruited as he tries to accelerate the company’s AI development and secure the enormous amounts of computing capacity it will require.

From The Wall Street Journal ● Jul. 17, 2026

Kreitzman's Mile End house is filled from top to bottom with pictures and sculptures, on every colourful wall, on every table, in every room and corridor.

From BBC ● Jul. 17, 2026

At a conference on Wednesday, Tarun Chhabra, Anthropic’s head of national-security policy, said that the lead the U.S. has over Chinese labs in AI models is now “roughly six to nine months.”

From The Wall Street Journal ● Jul. 17, 2026

Singapore is one of the venues the company is considering for a listing, they added.

From The Wall Street Journal ● Jul. 17, 2026

There is never a good time to get sick, but this is a particularly bad time.

From "At Last She Stood" by Erin Entrada Kelly

Another mother, who we are calling Sarah to protect her identity, said she felt "so angry" at the discovery because Campbell had had unsupervised contact with her children.

From BBC ● Jul. 17, 2026

“While we continue to expect modest USD appreciation by year-end, near-term upside is likely to remain capped without a fresh catalyst,” the strategists add.

From The Wall Street Journal ● Jul. 17, 2026

"As soon as we became aware of the outcome, we took immediate steps to contact families and provide reassurance and support," Wall said.

From BBC ● Jul. 17, 2026

“If we use the environment as our north star, I think that’s a good way to field test things,” says Meister.

From The Wall Street Journal ● Jul. 17, 2026

The case of Phineas Gage suggests that we are human because our frontal lobes are set up so we can get along with other humans.

From "Phineas Gage" by John Fleischman

“We’ll downsize when they plant me 6 feet into the ground,” said Victor, 64.

From The Wall Street Journal ● Jul. 17, 2026

Kreitzman gave me a Masai beaded collar, bought ethically from a female Kenyan designer, to work with.

From BBC ● Jul. 17, 2026

"No one can give me back my original appearance, because a lot of fat and skin have been removed," she said.

From Barron's ● Jul. 17, 2026

“As difficult as it is to leave, it feels like the right time for me to begin a new chapter,” Brown said in a memo to staff.

From The Wall Street Journal ● Jul. 17, 2026

I couldn’t have done it without Belle carrying me across the river and Midnight carrying me across land.

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

“What stood out to us is there’s a disconnect between expectations and reality,” said Deb Boyden, head of U.S. defined contributions at Schroders.

From MarketWatch ● Jul. 17, 2026

“Chicago is one of the best markets for us from a loyalty perspective, and it’s growing like crazy,” Pieper said, according to a recording of the meeting.

From The Wall Street Journal ● Jul. 17, 2026

The council said it was "sorry some families learned about this matter online rather than hearing from us directly", but there had been legal limitations on what could be shared before he was sentenced.

From BBC ● Jul. 17, 2026

"I had imagined us being together until we're old, her scolding me until we're old, but now I can't hear her voice any more."

From BBC ● Jul. 16, 2026

He just didn’t have the right tools to communicate with us.

From "Split the Sky" by Marie Arnold

"It's very much our money rather than mine or yours which is really nice especially as I took four years off work when we had children," says Sarah.

From BBC ● Jul. 16, 2026

That extends Black Butte’s mine life by four years, which is in line with Jefferies’s expectation.

From The Wall Street Journal ● 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

I hope he believes I still have his back, the way he always had mine when we were younger.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

Mission accomplished—all in the name of finding out how much plastic might be circulating in my body.

From The Wall Street Journal ● Jul. 17, 2026

"He was in a cubicle, he could have been looking at any child, not just mine. I can't get it out my head."

From BBC ● Jul. 17, 2026

"You couldn't even get your little finger in there. It's been a year and a half, but my eye still feels strained and I constantly want to force it open," she told AFP.

From Barron's ● Jul. 17, 2026

More than a month later, the results landed in my inbox.

From The Wall Street Journal ● Jul. 17, 2026

Breathing quick, I leap up, lay my head against Belle’s hide.

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

And they get into our bodies through both ingestion and inhalation.

From The Wall Street Journal ● Jul. 17, 2026

Lungs, heart, kidneys, liver, brain, testicles, the fluid in our eyes, and ovaries—all have microplastics, says Stapleton.

From The Wall Street Journal ● Jul. 17, 2026

"We have consistently made clear our expectations that charges should reflect the gravity of the tragedy. This includes the Prime Minister and I expressing these expectations directly to our respective counterparts."

From BBC ● Jul. 17, 2026

"Not only has Glasgow and her citizens completely embraced the Games, but we have demonstrated our credentials as a world-class city," he declared.

From BBC ● Jul. 16, 2026

But like everything in Davey, our school is stuck in the past.

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

"Each time that the other party has failed to meet its obligations, we did not uphold ours," he added.

From Barron's ● Jul. 13, 2026

That year, a million people gathered on the National Mall to witness an historic fireworks display, while we, in our little corner of the world, enjoyed ours.

From Salon ● Jul. 3, 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

“He’s an old patient of ours come to visit. All recovered now.”

From "The Boy Who Met a Whale" by Nizrana Farook

Related Words

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