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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  

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

   cuneiform

   coniferous

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I. ⁴ British  

abbreviation

1. International

2. Island or Isle

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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  

symbol

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

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-i ⁷ British  

suffix

1. of or relating to a region or people, esp of the Middle East

   Iraqi

   Bangladeshi

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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

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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

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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 Paper also leads with the spy chief's speech, quoting him as saying threats from foreign adversaries have quadrupled in a decade.

From BBC ● Oct. 14, 2026

The Canadian retail conglomerate ultimately withdrew its offer over friction around valuation gaps and antitrust issues in the U.S., prompting Seven & i to focus on restructuring and a standalone North American IPO strategy.

From The Wall Street Journal ● Oct. 9, 2026

“Dr. Williams has always maintained that he was acting i self-defense,” Libman wrote in an email.

From Los Angeles Times ● Oct. 9, 2026

“There is a certain pride in being a Californian, certainly not held by everybody ... but i would think that the mainstream would be defending the state.”

From Los Angeles Times ● Oct. 6, 2026

That made me feel like i traveler that knew his way around, all right.

From "Life Is So Good" by George Dawson

In a statement shared on Friday, Meghan confirmed the existence of the letter and wrote: "I am deeply distressed... my thoughts are with any children who may have been harmed."

From BBC ● Oct. 25, 2026

About three years ago, I started to notice that their finances no longer seemed to match their lifestyle.

From MarketWatch ● Oct. 25, 2026

“All the terminals were filled with people coming in, and I hear of people coming from all over the world,” she said.

From The Wall Street Journal ● Oct. 25, 2026

Assuming that would be the case, I sought out the film’s “twist” in an early review, wanting to confirm if my suspicions about Seyfried’s involvement were true.

From Salon ● Oct. 25, 2026

By their strained faces, I can tell there’s a memory neither will share.

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

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

I was appointed to succeed him in his office; and the work which he had so happily begun, without my assistance indeed, but not without some counsels of-94--vol i- mine, I diligently labored to complete.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

The king's marriage with Catherine Parr, his wife's sister, increased his consequence, and Henry-269--vol i- on his death-bed appointed him one of his executors and a member of the young king's council.

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

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

From Textbooks ● Mar. 30, 2016

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

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

Sir Walter Raleigh's History of the World, part i, book i. p. 67., edit.

From Notes and Queries, Vol. IV, Number 113, December 27, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. 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

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

He told me he is not seeing other people, and neither am I. Every year he goes to Mexico for six months.

From MarketWatch ● Sep. 19, 2026

Even a retreat that flops can draw employees closer while they commiserate over its lameness, adds Michael I. Norton, a Harvard Business School professor who has studied group rituals.

From The Wall Street Journal ● Jul. 23, 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

He also urged them not to allow partnerships between large corporations and the military, the way the German scientific community and government did with I. G. Farben and Krupp Armaments and Steel.

From Los Angeles Times ● Jun. 8, 2026

“Perhaps I know more of Estella’s history than even you do,” said I. “I know her father too.”

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

The suffix of manner defining the verb, is formed by adding the adjective with the final syllable changed to -i.

From The Mafulu Mountain People of British New Guinea by Robert Wood Williamson

Verbs in -i add -ua to the final syllable.

From The Mafulu Mountain People of British New Guinea by Robert Wood Williamson

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

World War I’s Eastern Front has never attracted the same attention as its western counterpart.

From The Wall Street Journal ● Sep. 29, 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

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

You tearing off in one direction and Leroy tearing off in the other, I’s too old to be chasing after folks like a hound dog.

From "Elijah of Buxton" by Christopher Paul Curtis

Listen to the TMS podcast: Is this the end for Jimmy Anderson?

From BBC ● Oct. 25, 2026

That makes this year’s World Series something of a Rorschach test: Is a Brewers-Rays series proof that the system actually works just fine the way it is?

From Los Angeles Times ● Oct. 24, 2026

Is it possible to do something similar now that I am retired?

From MarketWatch ● Oct. 23, 2026

Is it just me or is everyone suddenly talking about their low ferritin levels?

From The Wall Street Journal ● Oct. 23, 2026

“And then Sally will bring out tea and shortbread while we talk. Or if it’s after one o’clock she can bring out cucumber sandwiches. Is it after one?”

From "The Brightwood Code" by Monica Hesse

Now, there are still some t’s to cross and i’s to dot.

From Slate ● Oct. 3, 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

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

He tries it in various styles, his hand unaccustomed to the angles of the N, the dotting of the two i’s.

From "The Namesake" by Jhumpa Lahiri

“You’ve gotta stop it with that! You are not being a real person! Come on man, that is crazy!”

From Salon ● Oct. 25, 2026

The exciting thing for Iraola and Liverpool is that Isak is nowhere near his best yet, and that should be a cause of worry for the rest of the top flight.

From BBC ● Oct. 25, 2026

The cooling of this friendship is more complicated.

From MarketWatch ● Oct. 25, 2026

They note that most of the nation’s wealth is concentrated among small-business owners.

From The Wall Street Journal ● Oct. 25, 2026

Life for Joey is on an upswing, and she wants to keep it that way.

From "At Last She Stood" by Erin Entrada Kelly

"The first half is really what we want to be about - winning balls and the intensity."

From BBC ● Oct. 25, 2026

They might have been better off than we are, or not.

From MarketWatch ● Oct. 25, 2026

“We sort of set out with a goal of at least 50,000 and people said we were crazy, and we are exceeding those numbers,” said Jonathan Barsade, president of AID Coalition, which launched the program.

From The Wall Street Journal ● Oct. 25, 2026

In that relatively short time, we come to understand many things about Holmes and Evans.

From Salon ● Oct. 25, 2026

“It’ll be busier, less lonely, than when we walked.”

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

“On the face of it, someone like me who is presenting like a Muslim lesbian is not the kind of person who is going to make a lot of money for your pub,” she said.

From The Wall Street Journal ● Oct. 25, 2026

He's permanently throwing his arms up at people, he's basically saying, 'you're not good enough to play with me'.

From BBC ● Oct. 25, 2026

Instead, my shopper sent me a photograph of vanilla wafers, without comment, and marked the breadcrumbs as unavailable.

From Salon ● Oct. 25, 2026

"The candidates' foreign policy orientation is of great importance to me," said retired teacher Georgi Lyubenov, 77, without saying which direction he would like the country to go in.

From Barron's ● Oct. 25, 2026

A husband and wife, sitting on a wagon perch, smile at me.

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

At one point they joked that having us next door was better than a maintenance contract.

From MarketWatch ● Oct. 25, 2026

What matters most to her is the only thing that allows any of us to see each other: trust.

From Salon ● Oct. 25, 2026

On this trip, many of us played with hickory-shafted clubs, the equipment used before the steel shaft was introduced in the 1920s.

From The Wall Street Journal ● Oct. 25, 2026

"Instead, it's pointing us towards platelet biology and gives us a new avenue to investigate."

From Science Daily ● Oct. 25, 2026

Rattling, jostling wagons, ahead of us and beside us, threaten to crash and trample.

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

"It was no mistake of mine to call it Riverdance because it connected absolutely to Timedance," Whelan told author Leagues O'Toole in his 2006 book The Humours of Planxty.

From BBC ● Oct. 23, 2026

Romania is looking into "accelerated development of maritime surveillance capabilities, mine countermeasures and effective countermeasures against drones that intrude unauthorised into national airspace and territorial waters", the presidency said.

From Barron's ● Oct. 23, 2026

I’ve seen it happen to friends of mine, where there is a separation because the people that we turned into are now no longer compatible.

From Los Angeles Times ● Oct. 23, 2026

Dad told me more than once that the house would be mine someday.

From MarketWatch ● Oct. 23, 2026

She half fell into the chair next to mine.

From "The Hiding Place" by Corrie ten Boom

"The players are not good enough, in my opinion, to win football matches."

From BBC ● Oct. 25, 2026

They’d ask if my husband would fix something himself rather than hire someone.

From MarketWatch ● Oct. 25, 2026

But the pandemic had made grocery delivery feel sensible, even responsible, and I quickly developed an appreciation for the peculiar pleasure of having someone else navigate the supermarket on my behalf.

From Salon ● Oct. 25, 2026

Today, its leadership must earn my confidence in the values that matter most: safety, competence and meritocracy.

From The Wall Street Journal ● Oct. 25, 2026

“It’s not a problem, Lala. Let your Dad know I’ll be taking you home. I’ll get my keys,” Ms. Reed replies.

From "Split the Sky" by Marie Arnold

We watched their dog when they traveled, and they collected our mail when we were away.

From MarketWatch ● Oct. 25, 2026

“We have NO interest. We are having too much fun and building something great for our fans.”

From The Wall Street Journal ● Oct. 25, 2026

Refusing to stop at investigating her characters alone, she’s interested in humanity as a whole, and where those roles fit into how our species operates.

From Salon ● Oct. 25, 2026

It marked a "turning point in the life of our Republic and our nation", the French president said.

From BBC ● Oct. 25, 2026

The gift that Abigail gave our family didn’t come with any warnings.

From "Split the Sky" by Marie Arnold

I see it in the faces of my grandchildren who have trouble reconciling the views of their generation with those of ours.

From The Wall Street Journal ● Oct. 22, 2026

The shame in this story was never his, and it was never ours.

From Salon ● Oct. 22, 2026

He said he assumed I’d be fine with it since the money was still ours.

From MarketWatch ● Oct. 21, 2026

"That future is ours to build. Let us build," he said.

From Barron's ● Oct. 16, 2026

“Oh, your dog is a purebred? Well, ours is a star!”

From "Dog Squad" by Chris Grabenstein

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• he
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