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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  

abbreviation

1. International

2. Island or Isle

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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  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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i ⁵ British  

symbol

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

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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  

/ 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 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 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

"Killer kitchen dust" is the i Paper's headline, writing that loved ones of the victims of silicosis will "receive higher compensation" as "new legislation goes to Parliament".

From BBC ● Sep. 1, 2026

The i Paper's top story also covers the landmark vaccine trial, which found patients with high-risk melanoma remained free of cancer for longer after surgery.

From BBC ● Aug. 20, 2026

Olly: don’t you want to know if i have a girlfriend?

From "Everything, Everything" by Nicola Yoon

"He came with his football - the way he wants to play and the high intensity which I think will benefit me, the club and the way the club wants to play football," added Isak.

From BBC ● Sep. 18, 2026

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

"I want to score every game. Everyone is different. Some like to set targets and some don't. I'm the one that doesn't."

From BBC ● Sep. 18, 2026

"I wake up every day praying that they've changed their minds," she said of administration officials.

From Barron's

“You’re important to me. Pa’s important. I need you both safe, to care for each other.”

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

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

This prefix thus appears as en-, i-, il-, im-, in-, ir-, as enemy, ignoble, illegal, immortal, infirm, irregular.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

A remarkable incident soon served to intimate the coolness and caution with which it was her intention-254--vol i- to proceed in re-establishing the maxims of the reformers.

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

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

See Lankester’s Treatise of Zoology, vol. i. fasc.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various

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

The violin in Baerwald’s hands was the one his German-Jewish grandfather played as a Japanese prisoner of war in the Bandō camp at Tokushima during World War I. “It’s a very serviceable violin,” Baerwald notes.

From Los Angeles Times ● Jun. 8, 2026

Also in 2025, she was a finalist for the Alfred I. duPont-Columbia University Awards for her reporting and hosting of an audio investigation into a deadly U.S. refinery explosion.

From The Wall Street Journal ● May 29, 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

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

“Why, we are not going fishing!” said I. “No,” returned Wemmick, “but I like to walk with one.”

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

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

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

The suffix -i, added to a noun stem, forms generally a neuter verb.

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

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

“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

In a statement read to the public inquiry examining how Letby was able to attack babies, Child I's mother said: "I believe the doctors and nursing staff should have acted earlier."

From BBC ● Sep. 19, 2024

Was it all the I’s that did it or the mental picture that streaked cometlike across the unfocused lens of her mind?

From "The Great Gilly Hopkins" by Katherine Paterson

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 Premier League already a two-team title race?

From BBC ● Sep. 15, 2026

Is it vertical applications like Harvey for legal or Cursor for coding?

From MarketWatch ● Sep. 15, 2026

“But I recognize talent when I see it. Is that your problem? Everyone likes her? No one likes you?”

From "Glitch" by Laura Martin

"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

“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

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

From The Wall Street Journal ● Mar. 30, 2026

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

The site is central to a restoration programme that aims to boost this type of specialist habitat across the county.

From BBC ● Sep. 18, 2026

The rare habitat is home to deep-rooting wild flowers and grasses like great burnet and devil's-bit scabious.

From BBC ● Sep. 18, 2026

It is the fourth time Long Mead Local Wildlife Site, at Swinford in Oxfordshire, has been flooded because of a mains failure.

From BBC ● Sep. 18, 2026

Speaking after the meeting, O'Dowd said "the reality is there is no requirement for an Orange Order march down the Garvaghy Road".

From BBC ● Sep. 17, 2026

The Philippines is still struggling to recover from war, her marriage to Renato is over, and communication with her daughter has broken beneath the weight of separation.

From "At Last She Stood" by Erin Entrada Kelly

"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

“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

Bamboo, which runs one of the most popular investor tools here, later apologised, saying: "We know we let you down."

From BBC ● Sep. 17, 2026

"When we see the Russia-Ukraine war, and when we see the whole Middle East, every day things get a little bit worse," said UN Secretary-General Antonio Guterres ahead of the gathering.

From Barron's

Thankfully, Nana Dee says goodbye, and we find shelter behind the closed door of Ruby’s bedroom.

From "Split the Sky" by Marie Arnold

"He said 'score goals', but he wants me to defend. The way we defend - we defend to score goals so defending, in the end, is an attacking weapon."

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

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

From The Wall Street Journal ● Sep. 17, 2026

“The U.S. is absolutely vulnerable to a Pearl Harbor in space,” this person told me.

From Slate ● Sep. 17, 2026

Caesar pats me, murmuring, “It’ll be all right. Everything will be fine. We won the war.”

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

But now, the color has seeped out of Davey and left us with a canvas of gray on gray: gray, brooding clouds hanging from gray, murky skies.

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

“Tova’s crabbiness certainly fits with mine right now. And her age,” she said.

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

The Revolutionary Guards said the vessel, Sidr, caught fire after hitting a naval mine.

From BBC ● Sep. 15, 2026

His eyes break from mine, seem to sweep over me, but it happens so fast, I probably imagined it.

From "Red Flags and Butterflies" by Sheryl Azzam

“I’ve met thousands of people over my 50 years in politics and LeRoy stands tall among them.”

From Los Angeles Times ● Sep. 18, 2026

Marr said: "The auction has been a great experience and has exceeded all my expectations. I'd like to thank everyone who made bids and special thanks to Christie's for making it so memorable."

From BBC ● Sep. 18, 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

“We’re trying to shift our mindset,” Mitchell said, “and not try to hold ourselves to the expectations of what I saw my mom do.”

From The Wall Street Journal ● Sep. 17, 2026

I whirl, shouting, waving my hat, “Father! Caesar!”

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

"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

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

From The Wall Street Journal ● Sep. 18, 2026

Read our article on why some US restaurants are banning tips.

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

“My pa was right. This was our journey to make.”

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

Whenever he seems confused, I’m delighted; it’s reassuring to see someone so smart still struggle to fathom this thing of ours.

From The Wall Street Journal ● Sep. 15, 2026

“It looked like this newsroom has money and ours doesn’t,” Koman adds.

From Los Angeles Times ● Sep. 11, 2026

Dolly was one of us, ours, but of course she was also much more.

From Salon ● Aug. 26, 2026

Liam on Marcus Rashford's future at United: I love Marcus, and the fact he is one of ours, and I would love him to come back and be as good as he was for us.

From BBC ● Aug. 21, 2026

Might be you decide this strange pack of ours is your best option.

From "Wayward Creatures" by Dayna Lorentz

Related Words

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