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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

The latest allegations will "escalate the row" with the Palace, the i Paper says.

From BBC ● Sep. 17, 2026

The i Paper says it was the "day that changed the world".

From BBC ● Sep. 11, 2026

"Find the money to fund end-of-life care," is Lord Blunkett's "plea to Burnham", according to the i Paper.

From BBC ● Sep. 7, 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

Olly: i don't know what you're talking about Madeline: Your dad, Olly.

From "Everything, Everything" by Nicola Yoon

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

"My school was very tolerant towards what I was doing, so I was fortunate."

From BBC ● Sep. 18, 2026

She added: "I knew this would probably be my last chance, because there were other girls in Britain trying to do it."

From BBC ● Sep. 18, 2026

Lee said Friday it was "clear" that "Trump wants dialogue, and I am also urging President Trump to engage in dialogue."

From Barron's

Father and the gunman glance at each other, communicating some meaning I don’t catch.

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

I was appointed to succeed him in his office; and the work which he had so happily begun, without my assistance indeed, but not without some counsels of-94--vol i- mine, I diligently labored to complete.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

Concerning that point indeed, my Sturmius, I have nothing certain to write to you, nor does any one truly-101--vol i- know what to judge.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

Cranmer-128--vol i- resisted for some time, but was at length won to compliance by the tears and entreaties of Edward.

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

For each of the following functions, determine the i. domain and ii. range.

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

Dion Cassius and Tacitus relate the exiles of Helvidius, who appears to have been rather intemperate and unreasonable.639.Friedländer gives many and most touching examples, tome i. pp. 410-414.640.Suet.

From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by William Edward Hartpole Lecky

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

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

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

Commander Gorringe & the entire crew knelt down in prayer, and so did I. There was silence, except for the water slapping against the hull.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

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

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

I E -i formed abstracts and nouns of agency; I E ar go; Min ari, way, track, trail.

From The Dakotan Languages, and Their Relations to Other Languages by A. W. (Andrew Woods) Williamson

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

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's a very different offering up there. You've still got beaches, but then you've got greenery and mountains and wildlife."

From BBC ● Apr. 18, 2026

The WNBA’s No. 1 overall draft pick and Division I’s career scoring leader revved up a raucous Indiana Pacers crowd by pumping the accelerator of a replica IndyCar before Game 3 against the Milwaukee Bucks.

From Seattle Times ● Apr. 26, 2024

“Now don’t you mess with me this morning,” Elisha said, “because you ain’t got so holy I can’t turn you over my knee. I’s your big brother in the Lord—you just remember that.”

From "Go Tell It on the Mountain" by James Baldwin

Is the iPhone Duo discriminating against left-handed users?

From The Wall Street Journal ● Sep. 17, 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 rise too much or not enough?

From BBC ● Sep. 15, 2026

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

From MarketWatch ● Sep. 15, 2026

Is it possible that he was never asking to be connected to the Forty-Eighth regiment?

From "The Brightwood Code" by Monica Hesse

"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 care that you dot your i’s, you cross your t’s, that if you say you’re going to do something, you do it.

From The Wall Street Journal ● Mar. 12, 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

A Japanese company of Seven & i's size has never been bought by a firm from overseas.

From BBC ● Oct. 8, 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

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 auction comes ahead of the release of Marr's first studio album in four years, The Age Of Everything, which is due out on 2 October.

From BBC ● Sep. 18, 2026

When customers asked why their drink was free, his staff told them "because Harry Styles is buying everyone's coffee today," he said.

From BBC ● Sep. 18, 2026

At least that is what the social media memes would have you believe as investor fever hits the country.

From BBC ● Sep. 17, 2026

“Sometimes, it seems the easiest thing to do is try to create a ‘stand-in’ personality, one that pleases everyone.

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

"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

"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

As we head farther north, there might be snow and ice.

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

"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

“It was quite an image that is very vivid to me right now.”

From Los Angeles Times ● Sep. 18, 2026

“It gives me goosebumps that people can still find something in common and work together,” McCarthy said.

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

I don’t know what our pact is, but Ma includes me in ways Father never does.

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

"There's an expectation that they keep us safe, and this flies in the face of that."

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

The Government wants us all to start preparing for severe disruption to our lives.

From BBC ● Sep. 17, 2026

According to the rundown Dad gave us, she recently moved here from Atlanta.

From "Split the Sky" by Marie Arnold

"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

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

From Science Daily ● Sep. 14, 2026

The expected range is roughly 250-850 nanograms per deciliter; mine was 1,295.

From The Wall Street Journal ● Sep. 12, 2026

Launched five years ago, the project is based at the former Nant Helen opencast coal mine near Ystradgynlais, Powys.

From BBC ● Sep. 12, 2026

Betsie’s and mine were both of Russian make, probably once trimmed with fur: threads showed where something had been torn from the collars and cuffs.

From "The Hiding Place" by Corrie ten Boom

"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

“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

He argued that "those who come to my shows do not expect a political forum" and stressed he was not responsible for Macklemore being removed from the tour.

From BBC ● Sep. 18, 2026

“Are there not three of you stranded in my country?” she continues.

From "At Last She Stood" by Erin Entrada Kelly

"That shows you that our strategy is definitely working."

From BBC ● Sep. 18, 2026

Mark Bernstein, then-board chair, said at the time it would be tantamount to “selling our soul to private capital.”

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

I look about our small camp—Belle and Midnight tied side by side; Father and Caesar, the fire between them, sitting across from each other.

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

“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

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

"Back then, the settlers were living alongside us, and we coexisted peacefully. They lived their lives and we lived ours," he told me.

From BBC ● Aug. 21, 2026

My eyes catch on the treehouse in the back, right between Dr. P’s yard and ours, where Jonah and I used to spend so many summer mornings.

From "Keeping Pace" by Laurie Morrison

Related Words

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