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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

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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

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

From Los Angeles Times ● Oct. 9, 2026

Seven & i Holdings’ 3382 1.02%increase; up pointing triangle second-quarter net profit fell as its domestic business proved a drag despite stronger earnings at its North American business thanks to fuel sales.

From The Wall Street Journal ● Oct. 8, 2026

The i says a "blunder over funding teacher pay rises" means school budgets are "set for squeeze".

From BBC ● Oct. 7, 2026

I only know 3 people who do little circles instead of dots over the letter i.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

"I must say, on both sides, I have the same impression that I worked with the Colombian country, not different governments," Matevosyan told AFP.

From Barron's ● Oct. 23, 2026

To build rapport, advisers might start a conversation by asking the client, “What’s your comfort level with this topic?” or “Do you understand what I mean when I say ‘bond ladder’ or ‘reinvestment risk?’

From MarketWatch ● Oct. 23, 2026

Hope the credit covers the $6 Diet Coke I took from the minibar in a moment of deadline desperation.

From The Wall Street Journal ● Oct. 23, 2026

"Residents who wish to evacuate will receive coordinated support and transportation to their preferred destination. I anticipate some will want to go to Russia, and some to Ukraine," she said.

From Barron's ● Oct. 23, 2026

If I am stopped, she thinks, maybe they’ll just search the blanket and never notice anything else.

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 this period the cause of popery proceeded-183--vol i- triumphantly: a reign of terror commenced; and the government gained fresh strength and courage by every exertion of the tyrannic power which it had assumed.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

The-207--vol i- success of this collection was prodigious; edition after edition was given to the public under the inspection of different poetical revisers, by each of whom copious additions were made to the original work.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

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 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

In the later period such attachments took the form of prefixed argumenta, i. e. prefatory descriptions of author and contents, and affixed subscriptions, devoted to a similar purpose.

From The Making of the New Testament by Benjamin Wisner Bacon

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

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

Pearl diving has all but disappeared, particularly after the mass production of cultured pearls on farms after World War I. In Gulf countries, the extinction of this profession converges with a familiar story.

From The Wall Street Journal ● Aug. 6, 2026

In that way, I feel creatively redeemed on some level, just in my own journey between me, myself and I. But I feel ready to move on from the ‘Blade’ questions.

From Los Angeles Times ● Aug. 3, 2026

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

“Much better not,” said I. “I understand you.”

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

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

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

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

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

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

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

The only double letters are the twin I’s inside.

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

Is it friendship, though, or a mutually useful rapport?

From Los Angeles Times ● Oct. 23, 2026

MarketWatch: Is renting or buying the better move for a young person?

From MarketWatch ● Oct. 22, 2026

Speaking to the BBC afterwards, Raye said she'd "poured everything I had" into the record, which features the global hit song Where Is My Husband?

From BBC ● Oct. 22, 2026

She watches reality TV with her kids; joining them, he offers, “I did my thesis on reality. Is this show about Platonic or Aristotelian ideas?”

From Los Angeles Times ● Oct. 22, 2026

“Remember, Chip, she was the only one from the witnesses list who seemed kind of, I don’t know, regretful about hanging up on us. Is regretful a word?”

From "Found" by Margaret Peterson Haddix

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

From Slate ● Oct. 3, 2026

"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

"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

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

In China, the market for "legacy premium brands is in severe decline due to intense competition from new Chinese alternatives, basically eliminating profitability for legacy premium brands," the chief executive said.

From Barron's ● 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

The vehicle has been a success in Europe, with more than 50,000 orders, but Volvo Cars is struggling to ramp up production as quickly as planned.

From Barron's ● Oct. 23, 2026

"I have nowhere to stay. I sleep in rubbish dumps. That is why I did it," he reportedly told a court.

From Barron's ● Oct. 23, 2026

She explains that she had been taught from childhood to respect priests and what they represent in the Catholic religion, but she is finding it more and more difficult to do so.

From "At Last She Stood" by Erin Entrada Kelly

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

“They have helped guide decisions around AI deployment and token optimization, ensuring we are using the appropriate models and tools for the right use cases,” Skule said.

From The Wall Street Journal ● Oct. 23, 2026

"If we shine a light on just one, only that muscle moves. If shining on both, they both flap."

From Science Daily ● Oct. 23, 2026

When we sat for dinner, speeches — or rather, roasts — broke out around the table, with our shared peals of laughter making the air ring with life and its sweetness.

From Los Angeles Times ● Oct. 23, 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

For a mid-November flight, I got an alert this week that it moved me to a better aisle seat in the extra legroom section.

From The Wall Street Journal ● Oct. 23, 2026

A will of steel rose within me to get into the best possible shape.

From Los Angeles Times ● Oct. 23, 2026

"Sometimes it takes me longer to take a website down than to fix the PHP problem."

From BBC ● Oct. 23, 2026

“Not everyone is going to agree with everything you do,” Freund told me.

From The Wall Street Journal ● Oct. 23, 2026

“Sure can,” I say, pleased he’s given me a task.

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

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

Even those of us who couldn’t get into MIT can spot the problem.

From The Wall Street Journal ● Oct. 23, 2026

"The underwater location allows us to implement systematic, large-scale surveys," Seama explains.

From Science Daily ● Oct. 23, 2026

Here, Matt’s friends are bribed into blabbing about his past sins, although the script doesn’t bother to tell us what exactly he’s alleged to have done or whether it’s true.

From Los Angeles Times ● Oct. 23, 2026

Because Caesar defended us, he angered the ex-soldier.

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

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

From MarketWatch ● Oct. 23, 2026

These setbacks come a year after Codelco's largest mine, El Teniente, was forced to suspend part of its production for months following an accident that left six workers dead.

From Barron's ● Oct. 22, 2026

State-owned Codelco was, for example, forced to suspend expansion of the El Teniente mine -- Chile's largest -- after studies flagged up seismic risks.

From Barron's ● Oct. 22, 2026

“My job is to mine all that, to go to the sub-basement.”

From Los Angeles Times ● Oct. 21, 2026

Her feet were as big as mine, and I knew her shoes were crowding them painfully.

From "The Teacher’s Funeral" by Richard Peck

"It was abundantly clear that without my intervention, the possibility to bring humanitarian aid into the city and to evacuate the elderly would be impossible."

From Barron's ● Oct. 23, 2026

“I’ll ask for feedback from my colleagues,” he said.

From MarketWatch ● Oct. 23, 2026

“I read the research and I kind of just made my own decision.”

From The Wall Street Journal ● Oct. 23, 2026

In my late 20s, I’d wanted a full reconstruction, hard stop.

From Los Angeles Times ● Oct. 23, 2026

I tug my lower lip to keep from smiling.

From "Split the Sky" by Marie Arnold

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

“Zero signs of offense being played around the AI theme on our pad yesterday,” said Kaplan.

From MarketWatch ● Oct. 23, 2026

“House rules help guests understand what hosts expect, but we’ve heard from our community that they can be confusing, onerous and hard to manage,” the company said in a statement.

From The Wall Street Journal ● Oct. 23, 2026

"We are working on ways to integrate machine learning into excited states calculations to further improve the efficiency of our method," Villani said.

From Science Daily ● Oct. 23, 2026

With Caesar, our adventure will be daring, startling!

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

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

From Salon ● Oct. 22, 2026

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

From Barron's ● Oct. 16, 2026

“No nation, even one as capable and confident as ours, can safeguard them alone,” said Amin Nasser, chief executive of Saudi’s oil giant ARAMCO.

From Los Angeles Times ● Oct. 13, 2026

Originally, we had ours hooked up to a battery system—then the battery failed during a bad storm.

From The Wall Street Journal ● Oct. 8, 2026

It kept their spirits up, and ours too, come to that, because it was so heartening to see the children enjoying themselves.

From "An Elephant in the Garden" by Michael Morpurgo

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