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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

Headteachers have spoken to the i Paper over fears their schools will have to find money for a national 3.5% teacher pay rise, "despite claims it would be 'fully funded'".

From BBC ● Oct. 22, 2026

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

“The objective is not to do an IPO. The objective is to increase shareholder value,” said Stephen Dacus, CEO of Seven & i.

From The Wall Street Journal ● Oct. 9, 2026

If you consider the idea that a hundred million viruses could cover the dot on this i, then you get an idea of the sharpness of a diamond knife.

From "The Hot Zone" by Richard Preston

“I always said that year one would be moments of brilliance and moments where I want to tear my hair out because of the mistakes he makes,” Wolff said.

From The Wall Street Journal ● Oct. 23, 2026

“When that script came across my desk, I was like ‘This is insane,’” Harper says of the show, now streaming on MGM+.

From Los Angeles Times ● Oct. 23, 2026

“I don’t want to comment on it, whether I called, or whether somebody else called,” Trump told reporters on Thursday.

From The Wall Street Journal ● Oct. 23, 2026

Even though I typically don’t work out on Sundays, sometimes I get a wild hair and do it anyway because I enjoy it.

From Los Angeles Times ● Oct. 23, 2026

“No, do as I say,” Father says roughly.

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

For the face I grant I might well blush to offer,-104--vol i- but the mind I shall never be ashamed to present.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

Yea a ruffian will have more in his ruff and his hose than he should-283--vol i- spend in a year.

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

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

The courts, however, generally held that extraterritorial notice of copyright, i. e. on foreign editions, was impracticable and unnecessary; and this view is specifically adopted in the new code.

From Copyright: Its History and Its Law by Richard Rogers Bowker

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

Jonathan I. Shenkman is president and chief investment officer of ParkBridge Wealth Management.

From The Wall Street Journal ● Oct. 4, 2026

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

Soccer: it’s been a long time coming between you and I. But here I am!

From Los Angeles Times ● Jul. 20, 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

When Marina was two years old, in 1914, Europe plunged into World War I. For the next four years, most of Europe’s young men fought, and millions died, on the battlefields of France and Belgium.

From "A Thousand Sisters" by Elizabeth Wein

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

Nouns ending in -a, -e, -i, -y, -o, -l, -n, -t, -ar, -ur, -ŭs are Neuter.

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

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

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

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

“Mae Mobley, you know I’s just teasing you, about all them seventeen kids being mine? They ain’t really. I only had me one child.”

From "The Help" by Kathryn Stockett

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

From Los Angeles Times ● Oct. 23, 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

Is he living solely off his Social Security?

From MarketWatch ● Oct. 22, 2026

Dench is releasing her memoir Is It Too Late to Make a Run for It? written with fellow actor Brendan O'Hea at the end of October in the UK.

From BBC ● Oct. 22, 2026

Is there any way I’ve got the wrong day?

From "Code Name Kingfisher" by Liz Kessler

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

From Slate ● Oct. 3, 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

It’s just making sure our i’s are dotted and our t’s are crossed.

From The Wall Street Journal ● Mar. 30, 2026

The i's Anna Bonet added Intermezzo is "mature and profound and feels like a culmination of everything she has done before".

From BBC ● Sep. 23, 2024

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

On markets: The market is behaving like a seesaw, with AI stocks on one side and everything else on the other, writes Joseph Adinolfi.

From MarketWatch ● Oct. 23, 2026

Even assuming a better-than-expected infrastructure cycle and an acceleration in organic software growth next year, the company is not on track to hit the target, the analysts write.

From The Wall Street Journal ● Oct. 23, 2026

A reader is worried that her aging father-in-law, who sold his house to pay off a daughter’s $50,000 debt, will run out of money and need financial assistance himself.

From MarketWatch ● Oct. 23, 2026

This group of firm leaders is fighting back, determined to remain 100% employee owned.

From The Wall Street Journal ● Oct. 23, 2026

This is why she considers her room her sanctum, a place where she is her own true self.

From "At Last She Stood" by Erin Entrada Kelly

“This means we are on IBM M&A watch for the remainder of the year, as it’s the final bridge towards IBM reaching Street revenue forecasts in 2027, in our view,” they write.

From The Wall Street Journal ● Oct. 23, 2026

There’s this place in Eagle Rock that we like a lot called Little Beast.

From Los Angeles Times ● Oct. 23, 2026

“But we needed to believe in our own belief for quite a long time.”

From The Wall Street Journal ● Oct. 23, 2026

When we are together, I’ll fall asleep earlier between like 11 p.m. and midnight.

From Los Angeles Times ● Oct. 23, 2026

Instead, we use his fear against him because, well, it’s just much more fun.

From "Split the Sky" by Marie Arnold

“My sister made me believe there was really no limit to what I could do in life if I worked hard enough for it,” he said.

From Los Angeles Times ● Oct. 23, 2026

As Baig reminded me, “Many of us are small-business owners, independent workers, homeowners, so we’re even more greatly squeezed by all these rising bills.”

From Slate ● Oct. 23, 2026

"No words can describe the pain I am going through. Part of me has died," he said.

From BBC ● Oct. 23, 2026

My partner of 17 years left me his $1 million home.

From MarketWatch ● Oct. 23, 2026

Afterward, she watches me crouching in a stall corner.

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

“I want Milwaukee and Wisconsin to be known and to be heard because a lot of people overlook us and I just want us to have that recognition that we deserve.”

From The Wall Street Journal ● 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

“I’m always in favor of whoever can help us make incremental improvements—whoever it is, whether that’s a Democrat or a Republican, I’ll support them.”

From Slate ● Oct. 23, 2026

"She meant everything to us and will be forever loved and missed deeply by her devoted family and friends. She was our rock," they added.

From BBC ● Oct. 23, 2026

Rue and I look at the screen together; the letters and numbers in the link are in bright blue, waiting impatiently for us to click.

From "Split the Sky" by Marie Arnold

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

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

From Los Angeles Times ● Oct. 21, 2026

Hudbay Minerals and Mitsubishi approved construction of the Copper World mine in Arizona, with production set to begin in late 2029.

From The Wall Street Journal ● Oct. 21, 2026

His eye catches mine, and his unasked questions float between us before mine dart away, because it’s a lie.

From "Red Flags and Butterflies" by Sheryl Azzam

Here’s what’s grabbed my attention: Thursday’s tech takedown, and a market that’s increasingly splintering.

From MarketWatch ● Oct. 23, 2026

“I always said that year one would be moments of brilliance and moments where I want to tear my hair out because of the mistakes he makes,” Wolff said.

From The Wall Street Journal ● Oct. 23, 2026

Simons: This was very much a challenge for me because this is not a world that I’ve really played in, even in my regular life.

From Los Angeles Times ● Oct. 23, 2026

Americans are still reading — I see it every day in my community, which needs books by presses like Counterpoint and Catapult.”

From Los Angeles Times ● Oct. 23, 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

“In the Middle East, our business grew 13% sequentially despite late-quarter disruptions,” he said.

From The Wall Street Journal ● Oct. 23, 2026

“With every new store, our goal is to create a welcoming destination.”

From Los Angeles Times ● Oct. 23, 2026

"She meant everything to us and will be forever loved and missed deeply by her devoted family and friends. She was our rock," they added.

From BBC ● Oct. 23, 2026

My late father bought our house for $250,000 in the 1990s.

From MarketWatch ● Oct. 23, 2026

He squints, scanning the slow-trotting horsemen, bow-legged ranchers, and farmers’ families shopping in our small town.

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

Go Greek is a big favorite of ours, and it’s crazy busy in the evenings, but it’s definitely worth waiting for.

From Los Angeles Times ● Oct. 20, 2026

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

From Barron's ● Oct. 16, 2026

As crowded as the deck was, ours was missing the one bit of fishing kit it needed most: the optional Minn Kota trolling motor.

From The Wall Street Journal ● Oct. 10, 2026

I’d figured once we had a good egg, that’d be it, and the money would be ours.

From "The Science of Breakable Things" by Tae Keller

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