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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 British royal family is vulnerable to cyber attacks from hostile states, according to the i Paper.

From BBC ● Sep. 3, 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 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

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

From "Stormbreaker" by Anthony Horowitz

"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

"And I think that the police's urgency to get him arrested and the urgency to get it in the press, I think he couldn't understand why there wasn't an urgency to help clear his name."

From BBC ● Sep. 18, 2026

He added: "I know they've done it with a florist before, and I think they've done it with an ice cream parlour before."

From BBC ● Sep. 18, 2026

"I don't think it does our reputation as a welcoming destination any good and can become quite damaging -- tourism is an important part of the Australian economy," she told AFP.

From Barron's

I ask, but nobody pays me any mind.

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

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

Your majesty's humble sister to commandment, "Elizabeth." -107--vol i-

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

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

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

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

V. Van Rensselaer, General, i. 71-100; resigns his command, i.

From The Second War with England, Vol. 2 of 2 by Joel Tyler Headley

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

There is a gorgeous, heartbreaking story about a piano prodigy in France during World War I. The final story concerns the marriage between a Dutch clockmaker and a theoretical physicist.

From The Wall Street Journal ● Aug. 18, 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

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

We watched from a window looking out upon the Mall, the Duchess and I. And our day had barely begun.

From "Secrets at Sea" by Richard Peck

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

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

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

If not a few Bantu languages, the verb used in a negative sense changes its terminal -a to -i.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various

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

“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

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

“Son, I’s gwine ax you to come up to de house wid me. My old feets, dey cain’ make it back down heah agin today.”

From "Cold Sassy Tree" by Olive Ann Burns

Is this sort of thing worth the hassle?

From MarketWatch ● 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 your ability to look after yourself changing? Are you able to decompress from work? Is your sleep OK?"

From BBC ● Sep. 15, 2026

Is this market like 1999 all over again?

From The Wall Street Journal ● Sep. 15, 2026

“I’m so sorry. Is there anything I can do?”

From "The Red Car to Hollywood" by Jennie Liu

In one of our final negotiation sessions, when we’re supposed to be dotting i’s and crossing t’s, he worries aloud about how these two vastly different companies are going to mesh their different cultures.

From The Wall Street Journal ● Sep. 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

“I know sometimes people feel like, why hasn’t there been more information? But again, just trying to make sure we have i’s dotted and t’s crossed.”

From Los Angeles Times ● Feb. 26, 2025

"Your proposal does not adequately acknowledge the multiple and significant challenges such a transaction would face from US competition law enforcement agencies," Seven & i's letter added.

From BBC ● Sep. 5, 2024

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

"They created a theatre of 750 seats in the round, a democratic arena where the alchemy between actor and audience is at its most purest form and they've created something that still feels fresh today."

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

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

"There is no support for an Orange Order march through this community on a return parade," he said.

From BBC ● Sep. 17, 2026

How and when her parents died is lost to history.

From "At Last She Stood" by Erin Entrada Kelly

“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

"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

And the term "Yangote" – a pun in the Hausa language essentially meaning "we all have a share now" - has been trending on social media.

From BBC ● Sep. 17, 2026

"I would say safety has been the core of who we are from the very beginning," Anthropic's head of policy, Sarah Heck, said at a Politico conference on Wednesday.

From Barron's

We know so much more about the brain today than the Phrenologists and the Whole Brainers did in 1850, yet we really understand only the rough outlines.

From "Phineas Gage" by John Fleischman

"At my age you don't know how many years you have left, and this has given me three years-plus of stress but now we have proven they blocked our rights."

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

"And the club's ambition and the club's will to get me in as well. It was a big part of it."

From BBC ● Sep. 18, 2026

Before I started working, Murano to me, was one door: my grandfather’s factory.

From The Wall Street Journal ● Sep. 17, 2026

Father’s words make me prouder than I’ve ever been.

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

"I think he's holding us back," said one of the party's spokespeople who is planning a tilt at the leadership if a race is triggered.

From BBC ● Sep. 18, 2026

“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

“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

"I don't think it's dawned on us it's really ours," says Conroy, a video editor.

From BBC ● Sep. 17, 2026

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

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

Oblivious to her own biases about who Leo is and why, Mallory poses as a therapist keen on saving his life, but uses their faux sessions to mine his story for literary gold.

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

"Macklemore coming off tour was the promoter's decision, it was not mine," he wrote.

From BBC ● Sep. 15, 2026

On April 19, it struck a British mine and sank.

From Science Daily ● Sep. 14, 2026

Betsie told me about each of her cellmates—and I told her about mine and the little hole into which they scrambled at any emergency.

From "The Hiding Place" by Corrie ten Boom

“My ever increasing involvement and identification with the poor only continues to widen the gap between my obedience to religious authority and my own understanding of what my life as a Christian must entail.”

From Los Angeles Times ● Sep. 18, 2026

“I went to my first Michigan football game in Ann Arbor, and for some mysterious reason, I fell in love with it,” she said.

From The Wall Street Journal ● Sep. 18, 2026

"Over the last couple of months my whole TikTok and Instagram is just people learning to drive. It's like my algorithm knows, it's quite scary," she said.

From BBC ● Sep. 17, 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

Unlike Father, I’ll tell my son about the land rush journey.

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

A frontbencher said: "With the possible exception of our position on Trump, you could characterise most of our press lines as 'a Lib Dem spokesperson said, steady on now, gently does it'."

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

"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

“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

And did we have our eyes open or closed?

From "Split the Sky" by Marie Arnold

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

From Los Angeles Times ● Sep. 11, 2026

They’re surprisingly warm inside, and ours made a cozy setting for pork belly skewers, crab puffs and smoked cocktails.

From Salon ● Sep. 8, 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 messages prompted a quick response from the state’s governor, Democrat Michelle Lujan Grisham, who said that “New Mexico’s name isn’t up for debate—it’s been ours since before the United States existed.”

From The Wall Street Journal ● Sep. 7, 2026

How could she bring him into the secrets and adventures that were supposed to be ours?

From "The Science of Breakable Things" by Tae Keller

Related Words

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