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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  

abbreviation

1. International

2. Island or Isle

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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  

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

   cuneiform

   coniferous

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I ⁴ British  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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i ⁵ British  

symbol

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

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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  

/ 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 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 i says this ISA would pay a bonus when a buyer purchases their first property and that it could be unveiled at the upcoming Budget.

From BBC ● Sep. 8, 2026

The British royal family is vulnerable to cyber attacks from hostile states, according to the i Paper.

From BBC ● Sep. 3, 2026

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

One of these numbers, i, held the key to zero’s strange properties.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

When I played at Lancaster Catholic High School in Pennsylvania, I saw the “full-blooded” young men still meeting in the school chapel before games.

From The Wall Street Journal ● Sep. 17, 2026

“We were driving home,” Smith said, “and I asked my wife. I’m like, ‘What is that family eating?’

From Los Angeles Times ● Sep. 17, 2026

"I think that's great for young people to explore different parts of the world and work in different places and have different experiences," the commuter told the BBC in Toronto.

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

“Did I tell you how brave, how strong your pa was when we left Louisiana?”

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 Lucy Aikin

And that there never came-99--vol i- gold or stone upon her head, till her sister forced her to lay off her former soberness, and bear her company in her glittering gayness.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

Another time she visited the dissolved priory of St. Mary Spittle in Bishopsgate-street, which was noted for its pulpit-cross,-268--vol i- where, on set days, the lord-mayor and aldermen attended to hear sermons.

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

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

From Textbooks ● Mar. 30, 2016

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

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

Econom. i. 4-8-9.648.Plutarch enforces the duty at length, in his very beautiful work on marriage.

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

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

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

When an hour had elapsed on the clock, I. A. Horowitz, the referee, declared the game forfeited.

From "Endgame" by Frank Brady

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 John Goerzen

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

I, except that some of them have imperatives in -i: vaki, þęfi; uni. lifa, sęgja have imper. lif, sęg.

From Icelandic Primer with Grammar, Notes and Glossary by Henry Sweet

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

Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.

From BBC ● Sep. 19, 2024

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

Watch: Is Canada about to join the EU?

From BBC ● Sep. 17, 2026

Appeared in the September 17, 2026, print edition as 'Kevin Warsh Is an Inflation Hawk'.

From The Wall Street Journal ● Sep. 16, 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 the frontier labs like OpenAI and Anthropic?

From MarketWatch ● Sep. 15, 2026

“It’s the one about failing ten thousand times when he tried to invent the light bulb, right? Is that how long you think it’s going to take me to pass the Lincoln assassination?”

From "Glitch" by Laura Martin

"If I'm making a decision that is highly likely to be in legal challenge, I want to make sure I've dotted my i's and crossed my t's," she added.

From BBC ● Sep. 11, 2026

“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

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

CPAs, those folks who can add columns of 9s in their heads, have been advising MDs since the 1980s to dot their i’s, cross their t’s, and never accept IOUs.

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

The document itself is mostly a snooze, as these things always are.

From The Wall Street Journal ● Sep. 17, 2026

“Our vision ahead is clear: make Disney+ the connection point for fans everywhere to engage with the full breadth and depth of the broader Disney ecosystem.”

From Los Angeles Times ● Sep. 17, 2026

Much of the plan is oriented around cementing the territory’s economic ties with mainland China, through a raft of commercial and educational programs.

From The Wall Street Journal ● Sep. 17, 2026

And is someone keeping tabs on his CO2 emissions?

From The Wall Street Journal ● Sep. 17, 2026

But if she’s going to succeed in her adopted country—one for which she played such a pivotal wartime role—she’ll have to remind them who she is.

From "At Last She Stood" by Erin Entrada Kelly

“It is highly unusual that an end-product threatens the economic foundations of its essential suppliers, but that is the situation we have created for our LLM business with respect to its ‘content supply chain.’”

From The Wall Street Journal ● Sep. 17, 2026

“Yes, we are a fire agency, but at the end of the day, we are a service industry,” he said.

From Los Angeles Times ● Sep. 17, 2026

“Because frankly, if we don’t do that, it’s going to close. It’ll end up being ripped down.”

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

“At the time we did not realize we owed our lives to this one little Filipina girl.”

From "At Last She Stood" by Erin Entrada Kelly

"Personally, I'm not fearful of the Australian animals but I've never had a crocodile near me," he said.

From BBC ● Sep. 17, 2026

I will laugh at the stupidest stuff ever created—send me every video of a cat playing bagpipes on the porch—but this one was yuck.

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

Father is shouting, but for me, his mouth makes no sound.

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

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

“I think he’s going to be a high-high impact player for us, not only this year, but for years to come.”

From Los Angeles Times ● Sep. 17, 2026

"I'm trying to be strong for our daughter, but I'm constantly wondering if he's OK and how to get him back home to us," she said.

From BBC ● 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

Donald turns to us and says, “Oh, my bad. Hi.”

From "Split the Sky" by Marie Arnold

"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

"Macklemore coming off tour was the promoter's decision, it was not mine," he wrote.

From BBC ● Sep. 15, 2026

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

From Science Daily ● Sep. 14, 2026

The expected range is roughly 250-850 nanograms per deciliter; mine was 1,295.

From The Wall Street Journal ● Sep. 12, 2026

Zara jumps up from her place at the table, two gold medals swinging around her neck, hers and mine.

From "Red Flags and Butterflies" by Sheryl Azzam

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

From The Wall Street Journal ● Sep. 17, 2026

“We were driving home,” Smith said, “and I asked my wife. I’m like, ‘What is that family eating?’

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

I whirl, shouting, waving my hat, “Father! Caesar!”

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

And even the go-for-broke performance of Mr. Ribisi, with its barely contained insanity, requires something to massage our sympathies.

From The Wall Street Journal ● Sep. 17, 2026

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

From Los Angeles Times ● Sep. 17, 2026

"I'm trying to be strong for our daughter, but I'm constantly wondering if he's OK and how to get him back home to us," she said.

From BBC ● Sep. 17, 2026

“We’re always forecasting across our operations, and we regularly produce and revise numerous versions of planning documents,” Steve Kelly, an Amazon spokesperson, said in a statement.

From MarketWatch ● Sep. 17, 2026

To the merchant, he says, “Thick rope, tarp to keep our goods dry. We’ll need the protection.”

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

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

From Los Angeles Times ● Sep. 11, 2026

The messages prompted a quick response from the state’s governor, Democrat Michelle Lujan Grisham, who said that “New Mexico’s name isn’t up for debate—it’s been ours since before the United States existed.”

From The Wall Street Journal ● Sep. 7, 2026

In July, outgoing prime minister Sir Keir Starmer issued a formal apology to those mothers, telling them: "The shame is not yours... the shame is ours."

From BBC ● Aug. 30, 2026

Dolly was one of us, ours, but of course she was also much more.

From Salon ● Aug. 26, 2026

What different universes existed within this one world of ours!

From "Flying Through Water" by Mamle Wolo

Related Words

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