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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

There’s even a room filled with especially eclectic pieces called “i don’t know..but i like it.”

From Los Angeles Times ● Sep. 30, 2026

Buckingham Palace is "on the defensive", the i Paper reports.

From BBC ● Sep. 17, 2026

The i Paper says Chancellor John Healey will announce a new ISA which will help older first-time buyers in Britain.

From BBC ● Sep. 8, 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

“Rider with an i or a y? I don’t think we have any Riders at all.”

From "Stormbreaker" by Anthony Horowitz

“I think luckily for me, I started my career in an offense that was similar to that, and just understanding you never know when it’s going to come, but just to be ready,” Thybulle said.

From Los Angeles Times ● Oct. 4, 2026

"I mostly went there to thank them, connect with them and show them I care for them and I appreciate them coming out to Manchester," said Slegers.

From BBC ● Oct. 4, 2026

Everywhere I turn, I find ambiguity, ambivalence and antipathy.

From The Wall Street Journal ● Oct. 4, 2026

"I find the prices now mind-boggling," he added.

From BBC ● Oct. 4, 2026

Falling stars, rising flames, flying sparks, Father and I are in new territory.

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

Another time she visited the dissolved priory of St. Mary Spittle in Bishopsgate-street, which was noted for its pulpit-cross,-268--vol i- where, on set days, the lord-mayor and aldermen attended to hear sermons.

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

Numbered footnotes in Sections I-VII of the Introduction have been relocated to the end of the Introduction and marked with an "i-".

From Benjamin Franklin Representative selections, with introduction, bibliograpy, and notes by Chester E. Jorgenson

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 Golden Bough, 2nd ed., i. pp. 71-73.

From The Psychological Origin and the Nature of Religion by James H. (James Henry) Leuba

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

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

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

As soldiers, Jews had fought for Germany during World War I. Many were decorated for bravery.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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

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

Oncus -i: a welt: applied to welt-like ridges on caterpillars.

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

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

Judges were unmoved that Luitpold’s forebears had brewed in the region since 1260, written the purity law and invented Oktoberfest for his great-great-grandfather King Ludwig I’s 1810 wedding.

From The Wall Street Journal ● Sep. 7, 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

“I don’t carry beef with people. And I’m not going to get into the history of Doc and I’s relationship right now. And I probably won’t ever. He’s fine in my book.”

From Los Angeles Times ● Oct. 10, 2024

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

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

Nearly 50 years after it was taken, the image continues to attract attention, appearing most recently in the V&A East exhibition The Music Is Black: A British Story.

From BBC ● Oct. 4, 2026

Is it a manifesto of some kind, with all your Jerry Maguire-type insights about how you think the rest of your life will go?

From MarketWatch ● Oct. 2, 2026

Is it plausible that Americans will spend as much of their income on this one technology as they do on food?

From The Wall Street Journal ● Oct. 2, 2026

Is this truly what museum security requires, or has the logic of a private compound shaped an institution that was supposed to welcome the city?

From Los Angeles Times ● Oct. 1, 2026

“Do you mind if I ask what happened? Is it something you were born with, or —” I continue and then stop myself.

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

I recognized your tiny handwriting right away, all wobbly and with those weird loops you put on top of your t's and i's.

From "When You Reach Me" by Rebecca Stead

He is a two-time NBA all-defensive second team selection, both times with the Philadelphia 76ers in 2021 and 2022.

From Los Angeles Times ● Oct. 4, 2026

Of course, this result is disappointing but I'm here and I'm full of energy.

From BBC ● Oct. 4, 2026

Sources at the club insist she retains their full backing and, while there is disappointment and acknowledgement that results have not been good enough, they believe Slegers can guide them in the right direction.

From BBC ● Oct. 4, 2026

It is only five matches into the Women's Super League season and Arsenal are already 10 points behind leaders Manchester City - so is manager Renee Slegers' position at risk?

From BBC ● Oct. 4, 2026

But Joey is willing to break the rules to advocate for herself and other people with leprosy.

From "At Last She Stood" by Erin Entrada Kelly

Ferrell said: "She's still in the hospital, on a ventilator, critically ill, we really don't know the prognosis yet, and may not know for several days."

From BBC ● Oct. 4, 2026

The ugly facts of the Cornell 7 case are in dispute, and we don’t profess to know who is right.

From The Wall Street Journal ● Oct. 4, 2026

“We love you, and we miss you, brother.”

From Los Angeles Times ● Oct. 4, 2026

“The president, as we know, can be sometimes — um — he exists loudly,” Kennedy said.

From Salon ● Oct. 4, 2026

Four hard days, three fitful nights, we took care of Caesar.

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

Metallica’s always been more existential than topical, but haven’t we all scrolled our feeds recently and muttered - “Darkness imprisoning me / All that I see, absolute horror.”

From Los Angeles Times ● Oct. 4, 2026

"It's not about me, it's about the club and I care about the club."

From BBC ● Oct. 4, 2026

For a few seconds, he was talking directly, personally, exclusively to me.

From The Wall Street Journal ● Oct. 4, 2026

"I do have an opinion, but the evidence available at this time is not strong enough for the court or for me to say this is the person who was responsible," Alito said.

From Barron's ● Oct. 4, 2026

He reminds me of the poor white sharecroppers who tilled Mr. Thompson’s land.

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

Shame on the rest of us if we allow that to happen.

From The Wall Street Journal ● Oct. 4, 2026

Reform UK's deputy leader Richard Tice, who told the BBC he also experienced threats to his safety, told the programme "this was far from where any of us want to be".

From BBC ● Oct. 4, 2026

"These small crystals allow us to go back in time and learn about the major changes to Earth's ancient landscapes," Stockli said.

From Science Daily ● Oct. 4, 2026

“We don’t have rules for opening a private school,” Kaelin Clay, an Arkansas Department of Education spokesperson, told us earlier this year.

From Salon ● Oct. 4, 2026

“Yes. She misses us and wanted to come at the last minute, to celebrate our birthday,” I reply as the rain outside shouts louder as if to drown out my lies.

From "Split the Sky" by Marie Arnold

I’m not going to blindly follow the adviser; after all, his judgment could be flawed and he has biases just like I have mine.

From The Wall Street Journal ● Oct. 3, 2026

“We had to turn the school into a restaurant, so I called mine Vaura,” she says.

From Los Angeles Times ● Oct. 2, 2026

If so, I’ll defer to what my father told me was mine: asking annoying questions.

From Salon ● Oct. 2, 2026

When we met, we both had good jobs — mine in technology and hers in marketing — and for the first few years of our marriage we earned about the same.

From MarketWatch ● Oct. 1, 2026

Around the gate, every chair is full, and passengers for the next outgoing flight are standing shoulder to shoulder as those deplaning from mine grumble into the makeshift lounge.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

“I think luckily for me, I started my career in an offense that was similar to that, and just understanding you never know when it’s going to come, but just to be ready,” Thybulle said.

From Los Angeles Times ● Oct. 4, 2026

Unfortunately, I had luck not on my side.

From BBC ● Oct. 4, 2026

Although I had no particular leaning toward candidate Dole, my company had tickets, and I agreed to come along.

From The Wall Street Journal ● Oct. 4, 2026

It helps me write and focus and relax and otherwise temper my mood throughout the day.

From Salon ● Oct. 4, 2026

Sitting cross-legged on the stall’s hay-covered floor, I pull the silver harmonica from my pocket.

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

"There will be a big review of our season so far," she added, when asked if there was a wider club issue regarding their continuous slow starts to WSL seasons.

From BBC ● Oct. 4, 2026

The happy medium is what is missing from our political life.

From The Wall Street Journal ● Oct. 4, 2026

Metallica’s always been more existential than topical, but haven’t we all scrolled our feeds recently and muttered - “Darkness imprisoning me / All that I see, absolute horror.”

From Los Angeles Times ● Oct. 4, 2026

“Some of that is our fault,” he added.

From Salon ● Oct. 4, 2026

We make our way to the back of the house.

From "Split the Sky" by Marie Arnold

"Just imagine: having to stop right in the middle of the season like that. It's unbearable for a company like ours," he said.

From Barron's ● Oct. 4, 2026

“I didn’t really know anything about competition reality shows, but now I can see that ours, with the production value and the way it’s shot and the theatricality, is so different to the other ones.”

From Los Angeles Times ● Oct. 2, 2026

My wife essentially says that because we’re married, our retirement savings are ours, not mine.

From MarketWatch ● Oct. 1, 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

The best way to prevent a conflict with Cadet Mason is to keep your distance, she’d said, like it was easy to do in a class as small as ours.

From "Glitch" by Laura Martin

Related Words

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