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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 i Weekend says the "biggest societal change in decades" has been blocked, amid "celebration and tears from MPs".

From BBC ● Sep. 12, 2026

"Find the money to fund end-of-life care," is Lord Blunkett's "plea to Burnham", according to the i Paper.

From BBC ● Sep. 7, 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

In 1979, while i was flying with missionary friends over a remote swamp-filled basin of New Guinea, I noticed a few huts many miles apart.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Asked if there was ever a point last season when he regretted the move, Isak replied: "No, never. I would never think like that."

From BBC ● Sep. 18, 2026

"My school was very tolerant towards what I was doing, so I was fortunate."

From BBC ● Sep. 18, 2026

I wish the Eastern Bloc system hadn't been there, but that's what it was.

From BBC ● Sep. 18, 2026

Lee said Friday it was "clear" that "Trump wants dialogue, and I am also urging President Trump to engage in dialogue."

From Barron's

“Someday I hope you will come to our lovely country,” 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

From the new sovereign substantial benefits as well as flattering distinctions awaited him, being reinstated-266--vol i- by her in the possession of his confiscated estates and appointed a privy-councillor.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

I think ye guess whom they named; if ye do not, I-290--vol i- will upon my next letters write further.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

In furtherance of the design, several of her gentlemen had already taken their departure for that city, and Flemish light vessels were observed to keep watch on the English-112--vol i- coast.

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

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

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

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

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

Nearly five million Americans served in uniform during World War I. After the war, the U.S. drew down the Army to a minimal level and kept it there for two decades.

From The Wall Street Journal ● Apr. 28, 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

“Where are you to live?” said I. “What is to be done with you? Where will you be safe?”

From "Great Expectations" by Charles Dickens

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

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

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 Charles Alfred Downer

Every Esperanto verb has three Moods—the Conditional, the Imperative, and the Infinitive, which are formed respectively by means of the endings -us, -u, and -i.

From Esperanto Self-Taught with Phonetic Pronunciation by William W. Mann

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

Another important part of Victor I's legacy was to introduce Latin as the common language of the Catholic Church.

From BBC ● Apr. 28, 2025

“Yeah, it takes us a little longer, but we dot our I’s and we cross our Ts,” she said.

From Los Angeles Times ● Nov. 22, 2024

She dots her I’s with little round circles, like Orphan Annie eyes, or bubbles.

From "Cat's Eye" by Margaret Atwood

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

“What are you doing here? Is everything okay?”

From "Glitch" by Laura Martin

“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

And I don’t tend to favor biographies, because there generally are some tedious sections in the middle as the writer dots the i’s and crosses the t’s of the subject’s life.

From The Wall Street Journal ● Apr. 17, 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

At Swarthmore, Libbi got all A’s and B’s and started to spell her name with two i’s.

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

Conservationists have said they are worried a grant the charity had secured is at risk if the work is not completed in time.

From BBC ● Sep. 18, 2026

"They created a theatre of 750 seats in the round, a democratic arena where the alchemy between actor and audience is at its most purest form and they've created something that still feels fresh today."

From BBC ● Sep. 18, 2026

When customers asked why their drink was free, his staff told them "because Harry Styles is buying everyone's coffee today," he said.

From BBC ● Sep. 18, 2026

"There is no support for an Orange Order march through this community on a return parade," he said.

From BBC ● Sep. 17, 2026

How and when her parents died is lost to history.

From "At Last She Stood" by Erin Entrada Kelly

"It wasn't actually something we had in mind when we were developing the exhibition, or even when we asked the National Gallery if they would lend this painting," he explained.

From BBC ● Sep. 18, 2026

“With short positioning stretched and Fed pricing aggressive, we expect the 10Y Treasury yield to consolidate in a 4.90-5.10% range for now.”

From The Wall Street Journal ● Sep. 18, 2026

"It will be a chance to celebrate every individual who has helped create and shape this beloved theatre as we look to our future."

From BBC ● Sep. 18, 2026

"And we will continue to uphold it going forward."

From Barron's

Today we are used to seeing the microscopic world, but when the microscope was invented in the middle of the seventeenth century, it caused a sensation.

From "Phineas Gage" by John Fleischman

"He asks me to be part of the defending but to defend in positions where, when we win the ball, we can counter quickly and get the ball forward to the offensive line," said Isak.

From BBC ● Sep. 18, 2026

“It was quite an image that is very vivid to me right now.”

From Los Angeles Times ● Sep. 18, 2026

"At my age you don't know how many years you have left, and this has given me three years-plus of stress but now we have proven they blocked our rights."

From BBC ● Sep. 18, 2026

This summer it occurred to me that my understanding of alignment might be wrong.

From The Wall Street Journal ● Sep. 17, 2026

A hulking, mustached man looks up at me.

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

“We thank the researchers for contacting us and sharing their findings. We narrowed the permissions on Community sign-in tokens and revoked affected tokens and sessions,” the company said.

From The Wall Street Journal ● Sep. 18, 2026

They tried to put us off but they messed with the wrong ones.

From BBC ● Sep. 18, 2026

"It is no longer Dangote but 'Yangote', the company belongs to us now," he said while laughing.

From BBC ● Sep. 17, 2026

“The school won’t allow us to practice until Wednesday and we’ll still be day-to-day after that.”

From Los Angeles Times ● Sep. 17, 2026

She had friends that lived near the swamps, and she’d have them show us around.

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

Oblivious to her own biases about who Leo is and why, Mallory poses as a therapist keen on saving his life, but uses their faux sessions to mine his story for literary gold.

From Los Angeles Times ● Sep. 15, 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

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

From BBC ● Sep. 15, 2026

As I handed mine to the officer, she pointed to the simple gold ring that had belonged to Mama.

From "The Hiding Place" by Corrie ten Boom

"Many people in my era either had to take unpaid leave or resign, or they got sacked because they were trying to juggle their sports with their career," she said.

From BBC ● Sep. 18, 2026

“As if I had to go to the back of the line and wait my turn,” Mr. Guimarães says, bewildered.

From The Wall Street Journal ● Sep. 18, 2026

“The fact that my daughter was involved and was the cause of it is just extremely disturbing,” she told the outlet.

From Los Angeles Times ● Sep. 17, 2026

"I don't think that I would have been able to do it without the financial support from my parents," she said.

From BBC ● Sep. 17, 2026

With all my might, I try to keep his upper torso still.

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

Nick Robinson has a conversation with, not an interrogation of, the people who shape our political thinking about what shaped theirs.

From BBC ● Sep. 18, 2026

“We took 25% of our production engineers and said ‘Sorry, all your projects are on hold.

From The Wall Street Journal ● Sep. 18, 2026

"At my age you don't know how many years you have left, and this has given me three years-plus of stress but now we have proven they blocked our rights."

From BBC ● Sep. 18, 2026

“No family should have to suffer the loss of a child, and our thoughts continue to be with the Normandin-Parker family,” an Uber spokesperson said in a statement.

From Los Angeles Times ● Sep. 17, 2026

“You did good, Will. Without Belle, our journey—everything I hoped for”—Father swallows—“would’ve been lost.”

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

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

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

From The Wall Street Journal ● Aug. 21, 2026

Granda said there was a world just like ours on the bottom of the sea where the sídhe planted potatoes in the sand and drank tea from tiny shell cups.

From "Nory Ryan’s Song" by Patricia Reilly Giff

Related Words

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