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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 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 also leads on the "huge legal bill" for the prince and other celebrities including Liz Hurley and Sadie Frost.

From BBC ● Aug. 22, 2026

Olly: i guess i won't get to meet you in person until school starts Madeline: I don’t go to school.

From "Everything, Everything" by Nicola Yoon

“I don’t know, I think we might have market share now in Los Angeles.”

From Los Angeles Times ● Sep. 17, 2026

"I remember wanting to go and visit New York all the time," he told the BBC after finishing his overnight shift, not far from one of Toronto's most iconic buildings, the CN tower.

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

“In those times it was necessary. I really don’t like to talk of it. I have almost forgotten.”

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

How tame, how puerile, in the midst of sentiments serious and profound as these, would have appeared-252--vol i- the intrusion of classical imagery, however graceful in itself or ingenious in its application!

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

The queen immediately-18--vol i- retired, and the next day was committed to custody.

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

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

Hist. of Latin Christianity, vol. i. pp. 214-215.406.Milman,

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

There is a gorgeous, heartbreaking story about a piano prodigy in France during World War I. The final story concerns the marriage between a Dutch clockmaker and a theoretical physicist.

From The Wall Street Journal ● Aug. 18, 2026

I’ve been a huge Robyn fan for most of my life — she’s kind of a north star for my sisters and I. It’s no secret that we love sad dance songs.

From Los Angeles Times ● Jun. 18, 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

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

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 John. B. Smith

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

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

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

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

He then declared his independent kingship, sending an army to attack Egypt in concert with the Seleucid king An- tiochus I’s invasion from the east in 274.

From "Circumference" by Nicholas Nicastro

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 the rise too much or not enough?

From BBC ● Sep. 15, 2026

Is it the frontier labs like OpenAI and Anthropic?

From MarketWatch ● Sep. 15, 2026

“Boy, Grandpa,” I said, “that sure sounds good to me. Is that what you read in the book?”

From "Summer of the Monkeys" by Wilson Rawls

“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

Sometimes, he says, “dotting i’s and crossing t’s has to come second to right and wrong.”

From The Wall Street Journal ● Oct. 16, 2025

“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

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

Ideally, that means the best is yet to come.

From Los Angeles Times ● Sep. 17, 2026

So is he just going to get away with it?

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

He says he doesn’t think it’s appropriate for her to be friends with any of the men at Carville, because she is married.

From "At Last She Stood" by Erin Entrada Kelly

“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

As we have argued in recent academic research, race and ethnicity data are key in understanding population health outcomes.

From Slate ● Sep. 17, 2026

"I think we're forced to feel more American simply by the influences that we have," Stainton added.

From BBC ● Sep. 17, 2026

“Well, hopefully we are toward the end of the war. They want to make a deal, we’ll see how that works out,” the president told reporters on Wednesday evening.

From MarketWatch ● Sep. 17, 2026

When it comes to our chosen instruments, we don’t play around.

From "Split the Sky" by Marie Arnold

"Part of me wants to talk about it and then part of me doesn't, because I feel like my words get twisted or people are like 'oh, she's making excuses'," Hodgkinson said.

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

This is the first time Father’s asked me to keep a secret.

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

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

From BBC ● Sep. 17, 2026

These portals give us unprecedented access to our own medical records, as well as scheduling, communication and bill-payment options, all in one place.

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

I don’t think they will last; none of us do.

From "Split the Sky" by Marie Arnold

A major new copper mine takes 15 to 20 years to get up and running.

From The Wall Street Journal ● Sep. 16, 2026

“La Opinión helped families like mine stay informed about what was happening in our communities and gave Spanish-speaking Angelenos a voice,” she said in a written statement.

From Los Angeles Times ● Sep. 16, 2026

"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

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

From Science Daily ● Sep. 14, 2026

Ba had let her think Ma’s coverlet was mine, but the pillow covering I had been working on was a mess of tangled strings.

From "The Red Car to Hollywood" by Jennie Liu

I’ll just put my head down and write a song.’”

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

"I'm deeply hopeful that President Trump will raise my husband's case with President Xi Jinping at the summit next week," his wife, Sylvia Zin, testified to Congress on Wednesday.

From BBC ● Sep. 17, 2026

I studied architecture because that was my passion.

From The Wall Street Journal ● Sep. 17, 2026

I hold my breath, realizing I can only hear waves.

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

Instead, we walk outside and wait for our rides.

From "Split the Sky" by Marie Arnold

Whenever he seems confused, I’m delighted; it’s reassuring to see someone so smart still struggle to fathom this thing of ours.

From The Wall Street Journal ● Sep. 15, 2026

“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

He said the premium still felt like a "death tax" and the family were being "penalised through no fault of ours".

From BBC ● Sep. 7, 2026

Our family had a part of those marshlands that was just ours and nobody else’s.

From "Root Magic" by Eden Royce

Related Words

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