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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

YouTube surpassed Netflix in average daily viewing time in 2025, according to research firm Digital i cited in TechCrunch.

From Barron's ● Jul. 7, 2026

The i Paper headlines on Burnham's pledge for "growth, housing and No 10 North".

From BBC ● Jun. 30, 2026

"Britain set to break 50-year heat record" is the i Paper's top story, "smashing UK's June record from 1976".

From BBC ● Jun. 24, 2026

She later clarified on Instagram, “I never said i was making a rock album.”

From Los Angeles Times ● Jun. 1, 2026

Some pepple people have the gift of writtin writing i think I must of been sleep when that gift was given out.

From "Stella by Starlight" by Sharon M. Draper

World War I redefined the art of war and defined the genre of “trench art.”

From The Wall Street Journal ● Jul. 15, 2026

“Ladies Room” was a zippy ode to the sanctity of a room of one’s own; “Time” promised that “It’s up to me to spend my time / I gave you yours, so give me mine.”

From Los Angeles Times ● Jul. 15, 2026

Mark Joseph Stern: There has been a lot of misunderstanding about exactly what the liberal justices did in B.P.J., and I want to clear that up.

From Slate ● Jul. 15, 2026

"It was unseasonably dry, so I can only assume we have the aliens and their advanced weather-control technology to thank for that."

From BBC ● Jul. 15, 2026

“All the important things are carefully watched. I have to take chances.”

From "At Last She Stood" by Erin Entrada Kelly

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

The old ‘Minor Declensions’ had begun to pass over into the vocalic, especially into the i- and a-, declensions in the oldest OHG.

From A Middle High German Primer Third Edition by Wright, Joseph

The past participle largely retains the prefix y- or i-, representing the Old English ge-, as in i-ronne, y-don, Old English zerunnen, zed�n, run, done.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" by Various

By a change he had every thing to lose, and nothing to-129--vol i- gain.

From Memoirs of the Court of Queen Elizabeth by Aikin, Lucy

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

Econom. i. 4-8-9.648.Plutarch enforces the duty at length, in his very beautiful work on marriage.

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

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 Latham, R. G. (Robert Gordon)

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

Yes, Jonny didn't play up to scratch but neither did I. I was trying too hard because I wanted to win.

From BBC ● Mar. 26, 2026

In 1997, he joined the data team at USA Today and contributed to several award-winning stories, including an investigation into forgotten lead smelters that won a 2013 Alfred I. duPont-Columbia University Award.

From The Wall Street Journal ● Feb. 19, 2026

“We work with Zegota. She and I. We have for some time now.”

From "Not Nothing" by Gayle Forman

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 Smith, John. B.

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 Downer, Charles Alfred

Thus final -o bespeaks a noun; -a, an adjective; -e, an adverb; -i, an infinitive, etc.

From International Language Past, Present and Future: With Specimens of Esperanto and Grammar by Clark, Walter John

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

Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.

From BBC ● Sep. 19, 2024

Mr. Leroy said, “Long’s it don’t delay nothing, I’s listening.”

From "Elijah of Buxton" by Christopher Paul Curtis

Kalshi also opened markets on “Dancing With the Stars,” “Love Is Blind” and “The Traitors.”

From Los Angeles Times ● Jul. 15, 2026

Is her mother’s company really doing this to test out proprietary technology while ostensibly doing a good deed for a grieving parent?

From The Wall Street Journal ● Jul. 15, 2026

Is it time to talk about mandatory retirement ages?

From Slate ● Jul. 13, 2026

Is this probability too high or too low?

From MarketWatch ● Jul. 13, 2026

Is it possible that I am to blame, but not to punish?

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

The deputy chief told Boyd that Spivey’s body was towed “to make sure that every i’s dotted, t’s crossed to clear you.”

From The Wall Street Journal ● Dec. 21, 2025

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

From BBC ● Oct. 8, 2024

They want to make sure they're dotting all the i's and crossing all the t's, to make sure these are the correct identifications.

From Salon ● Oct. 17, 2023

She wrote in big curling script, and she dotted her letter i’s with stars.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

“Investors may be weary of CoreWeave trying to boost its performance through financial derivatives at a time their core AI cloud business is seeing increased competition,” D.A.

From MarketWatch ● Jul. 15, 2026

The only other company to use such directors is Ben & Jerry’s, an experiment that ended in spectacular failure.

From The Wall Street Journal ● Jul. 15, 2026

See more: What IBM’s profit warning means: Hardware is ‘eating everyone’s lunch’

From MarketWatch ● Jul. 15, 2026

Whenever we watch a silent film, it is helpful to remember that we are encountering an extraordinary survivor, for the vast majority of them are lost forever.

From The Wall Street Journal ● Jul. 15, 2026

Her goal is to escape the attention of authorities and wait for her health to improve.

From "At Last She Stood" by Erin Entrada Kelly

If we’re going to play an important role in consumers’ lives today and moving forward, we have to be agile.

From The Wall Street Journal ● Jul. 15, 2026

There are steps we could take to make the court seem more like the public body it’s supposed to be.

From Slate ● Jul. 15, 2026

They added: "We are hopeful that we can secure helicopter support soon, but they are presently unavailable due to attending fires south of the border in England."

From BBC ● Jul. 15, 2026

"If we do not see signs of disinflation soon, I am prepared to act," Federal Reserve governor Lisa Cook told an event in Washington.

From Barron's ● Jul. 15, 2026

Today we are used to seeing the microscopic world, but when the microscope was invented in the middle of the seventeenth century, it caused a sensation.

From "Phineas Gage" by John Fleischman

Laura Dern, who played Dr. Ellie Sattler opposite Neill’s Dr. Alan Grant in Steven Spielberg’s “Jurassic Park,” wrote, Neill “showed me the depths of loyalty, protectiveness and love always with the driest of wit.”

From Los Angeles Times ● Jul. 15, 2026

"He explained to me he flew in the Army with Prince Harry... that he'd been shot down in one of his helicopters."

From BBC ● Jul. 15, 2026

“This recipe gives me the ability to deploy capital to these companies when they trade below intrinsic value,” along with confidence to invest more during periods of industry drawdowns, he said.

From MarketWatch ● Jul. 15, 2026

“They brought me so much joy,” Nguyen said.

From The Wall Street Journal ● Jul. 15, 2026

There’s an edge to his voice that scares me.

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

He gave us dozens of hours of inventive comedy and deserves much more glory than he has yet received.

From The Wall Street Journal ● Jul. 15, 2026

Her inevitable set closer “Man I Need” is the caliber of a track that will outlive her and all of us, a song that will always belong to the lovers yet to come.

From Los Angeles Times ● Jul. 15, 2026

We asked you to get in touch via BBC Your Voice to tell us who you thought should be included in a Scottish Hall of Fame and were overwhelmed by your responses.

From BBC ● Jul. 15, 2026

“This has also invited us very strongly to investigate another 30% increase in our EUV capacity for 2028.”

From MarketWatch ● Jul. 15, 2026

And then she blows us a kiss and says, “I’ll be back before you know it…”

From "Split the Sky" by Marie Arnold

The blaze, which killed 28 people, comes shortly after similar incidents at a coal mine and another at a fireworks factory.

From The Wall Street Journal ● Jul. 14, 2026

The Venetia mine, in the far north of South Africa, accounts for more than 40% of the country's diamond production and employs more than 4,000 people.

From BBC ● Jul. 14, 2026

Knowing as a father that could have been me, could have been friends of mine, I felt very connected to those people.

From Los Angeles Times ● Jul. 14, 2026

The action at the Venetia mine follows a decision earlier this year to pause the Tuzo Phase 3 expansion project at the Gahcho Kué mine in Canada, it said.

From Barron's ● Jul. 13, 2026

Ba had let her think Ma’s coverlet was mine, but the pillow covering I had been working on was a mess of tangled strings.

From "The Red Car to Hollywood" by Jennie Liu

Detained since late January 2025, he described his time already spent behind bars as “extraordinarily difficult” and said, “I did not betray my country.”

From The Wall Street Journal ● Jul. 15, 2026

She continued: “He was a true and noble gentleman, wrapped up in my dream leading man. I will love you forever, Dr. Alan Grant.”

From Los Angeles Times ● Jul. 15, 2026

Ryninks said he had "always wanted to set a film on the Ceredigion coast as it's my favourite place in the world".

From BBC ● Jul. 15, 2026

"I woke up this morning and I didn't have to carry my ID anymore," Maria Jesus Walda, a 34-year-old civil engineer, told AFP as she headed into Gibraltar.

From Barron's ● Jul. 15, 2026

Hard soil, sometimes rocks, pebbles dig into my back.

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

The consumer is going to continue to be demanding and seek value, and our job is to deliver.

From The Wall Street Journal ● Jul. 15, 2026

"After my mum passed away, I found myself returning frequently to west Wales, where our family is from," he told BBC Wales.

From BBC ● Jul. 15, 2026

"The other factor is the US economy is strong... they need our exports and you're seeing US businesses increasingly increase their orders for our Canadian exports."

From Barron's ● Jul. 15, 2026

He said Conagra had what was “probably our strongest innovation pipeline” in place to engage consumers.

From MarketWatch ● Jul. 15, 2026

He’s remembering how hard our journey was—the weariness, the cold, the dangers on land and the treacherous waters.

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

Ideally, I need to get to $250,000 to buy a modest apartment so my kid can have a place that is ours and has no debt associated with it.

From MarketWatch ● Jul. 14, 2026

"Although reportedly carrying a dummy warhead, no nation understands the weight of nuclear testing in Pacific waters better than ours," the statement added.

From Barron's ● Jul. 9, 2026

The Washington monument is both architecture and sculpture, a powerful symbol with layered meanings for different generations from Washington’s time to ours.

From The Wall Street Journal ● Jul. 3, 2026

"The government must seek contributions from regions other than ours and from spending areas other than roads. This is what I am asking ministers for today."

From BBC ● Jun. 30, 2026

All the faces staring at her like ours did.

From "Firegirl" by Tony Abbott

Related Words

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