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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 by TechCrunch.

From Barron's ● Jul. 16, 2026

For the fiscal year that began in March, Seven & i now expects revenue to be flat at Y10.43 trillion and net profit to decline 5.0% to Y278.00 billion.

From The Wall Street Journal ● Jul. 9, 2026

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

Andy Burnham's expected vow to "lift Britain back up" comes with what The i Paper calls the "biggest ever power transfer."

From BBC ● Jun. 28, 2026

“Mademrtr cried her kid sister, and stamped out behind her. “Ltd i pasgp” Yossarian observed good-naturedly.

From "Catch-22" by Joseph Heller

"There were lots of people I didn't know and I'm not a confident eater in front of strangers, but I got used to it, and now I'll eat anywhere," he said.

From BBC ● Jul. 17, 2026

"I think we'll get to a point where if I have to request headcount, I'll be asked, 'How are you optimizing AI?'" before any new hire is approved, Euller told AFP.

From Barron's ● Jul. 17, 2026

"I wanted to help, because of what they've given to me over the years."

From BBC ● Jul. 17, 2026

"I surely won't make it to retirement in the mine, so I might as well move into a sector with a future," he says.

From Barron's ● Jul. 17, 2026

I yell, over and over until I’m hoarse and animal and rider have disappeared.

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

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

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

The gentlemen pleaded,-141--vol i- on the other side, the urgency of their commission, and said that they had brought the queen's litter for her conveyance.

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

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

Green, J. R.: History of the English Peoples, vols. i. and iv.

From Boy Labour and Apprenticeship by Bray, Reginald Arthur

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)

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

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

But for the 11 months we were married, I experienced the glory of being a we instead of an I. Suddenly I was part of a giant club, the Partnered People.

From Los Angeles Times ● May 22, 2026

Morris’s mother and father, respectively, were an accomplished organist and a mechanic who had been gassed in World War I. Like Waugh, Morris boarded as a teenager at Lancing College in West Sussex, England.

From The Wall Street Journal ● Apr. 23, 2026

In a recent study, Purusharth I. Rajyaguru and colleagues used Saccharomyces cerevisiae, a type of yeast commonly used in research, to explore how life might respond to Mars-like stress.

From Science Daily ● Apr. 12, 2026

On April 6, 1917, the United States entered World War I. To support the country’s war effort, the striking miners gave up many of their demands and went back to work.

From "Fannie Never Flinched" by Mary Cronk Farrell

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

Pulvillus -i: soft, pad-like structures between tarsal claws: the cushions of short, stiff hair or other clothing on the underside of tarsal joints; rarely fleshy lobes: see arolium.

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

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

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

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 Mann, William W.

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

Another important part of Victor I's legacy was to introduce Latin as the common language of the Catholic Church.

From BBC ● Apr. 28, 2025

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

"And how are you feeling today, Mrs..." somebody said, and the name sounded long and full of I's, like Mrs. Tomolillo.

From "The Bell Jar" by Sylvia Plath

She has now written her autobiography, entitled "Is That You, Petula?"

From Barron's ● Jul. 17, 2026

Appeared in the July 17, 2026, print edition as 'Less Is More in Higher Education'.

From The Wall Street Journal ● Jul. 16, 2026

"Is he apologising because he can't get his facts right or is he apologising for the hurt he's caused me?" he said.

From BBC ● Jul. 15, 2026

Is it possible, many have wondered, to foresee when and where a bluff might collapse — and perhaps even turn these predictions into early warning alerts?

From Los Angeles Times ● Jul. 14, 2026

Is that why he kept badgering me to get Jillian here tonight?

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

“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 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

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

"It's very close to Tucuman, which is a huge rugby province. I'd expect a proper rugby crowd," the 48-year-old added.

From BBC ● Jul. 17, 2026

It is not the first time England have been accused of becoming too defensive in key games.

From BBC ● Jul. 17, 2026

"Amateur rugby here in Argentina is booming," Contepomi told BBC Sport.

From BBC ● Jul. 17, 2026

"Super Rugby Americas is growing every year and I think that's a good pathway for developing professional habits and preparing players," Contepomi said.

From BBC ● Jul. 17, 2026

Joey may be small, but her fighting spirit is mighty, and that becomes clear soon after she arrives in Carville.

From "At Last She Stood" by Erin Entrada Kelly

Perkins described the process, which is licensed by Natural England, as "a sort of sticking plaster" that will work "until we can get better natural nesting in place".

From BBC ● Jul. 17, 2026

"Some songs just have it. If we knew what it was, we'd all be singing them!" she said.

From Barron's ● Jul. 17, 2026

“While we continue to expect modest USD appreciation by year-end, near-term upside is likely to remain capped without a fresh catalyst,” the strategists add.

From The Wall Street Journal ● Jul. 17, 2026

"As soon as we became aware of the outcome, we took immediate steps to contact families and provide reassurance and support," Wall said.

From BBC ● Jul. 17, 2026

When it comes to our chosen instruments, we don’t play around.

From "Split the Sky" by Marie Arnold

Kreitzman gave me a Masai beaded collar, bought ethically from a female Kenyan designer, to work with.

From BBC ● Jul. 17, 2026

"No one can give me back my original appearance, because a lot of fat and skin have been removed," she said.

From Barron's ● Jul. 17, 2026

“As difficult as it is to leave, it feels like the right time for me to begin a new chapter,” Brown said in a memo to staff.

From The Wall Street Journal ● Jul. 17, 2026

He said: "The other guests heard about my situation and made me feel welcome and we formed friendships. I feel wanted - it's given me meaning in life."

From BBC ● Jul. 17, 2026

“I don’t think those thieves will be circling back,” he says to me and Father.

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

“What stood out to us is there’s a disconnect between expectations and reality,” said Deb Boyden, head of U.S. defined contributions at Schroders.

From MarketWatch ● Jul. 17, 2026

A bigger issue may be what the tests can’t yet tell us.

From The Wall Street Journal ● Jul. 17, 2026

"We've also always been savers - well, I've been the saver for us," she adds.

From BBC ● Jul. 16, 2026

“She taught us that family is everything. She showed us how to love unconditionally and how to find joy in the little moments. She showed me how to face life’s challenges with resilience and faith.”

From Los Angeles Times ● Jul. 16, 2026

The guy next to us looks inside our car.

From "Split the Sky" by Marie Arnold

In the mine where he works, the tunnels run as deep as 1,300 metres below the surface.

From Barron's ● Jul. 17, 2026

"I surely won't make it to retirement in the mine, so I might as well move into a sector with a future," he says.

From Barron's ● Jul. 17, 2026

Mining giant De Beers is suspending production at South Africa's biggest diamond mine for two years, as changing consumer habits continue to shrink profits.

From BBC ● Jul. 14, 2026

That extends Black Butte’s mine life by four years, which is in line with Jefferies’s expectation.

From The Wall Street Journal ● Jul. 14, 2026

On the floor of the locker the only mess is mine: a broken bootlace, a hatpin, and a scrap of paper with handwritten text, which I bend to pick up.

From "The Brightwood Code" by Monica Hesse

"He was in a cubicle, he could have been looking at any child, not just mine. I can't get it out my head."

From BBC ● Jul. 17, 2026

"You couldn't even get your little finger in there. It's been a year and a half, but my eye still feels strained and I constantly want to force it open," she told AFP.

From Barron's ● Jul. 17, 2026

“Our strategy is working. We are attracting a broad range of luxury customers across product categories, channels and geographies, reinforcing my confidence in the opportunities ahead,” Chief Executive Joshua Schulman said.

From The Wall Street Journal ● Jul. 17, 2026

"I changed my daughter's nappy in front of him," she said.

From BBC ● Jul. 17, 2026

“Be mad at me, George. This is my fault. My injury distracted you.”

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

However, Tuchel has said that it was never the plan to drop deeper and that "it's maybe not in our DNA…to control the game and ball".

From BBC ● Jul. 17, 2026

Opponents of data centres in the United States have called for a "national day of protest" on Saturday to "protect our hometowns, our wallets, and our way of life".

From Barron's ● Jul. 17, 2026

“This includes regular dialogue with financial institutions, investors, and advisers, which is a normal part of running a business at our stage,” Li said.

From The Wall Street Journal ● Jul. 17, 2026

"Hopefully, if we give them a reason to shout and sing, Argentinians are Latin people - we make noise and we love supporting our teams. Hopefully it'll be a noisy crowd."

From BBC ● Jul. 17, 2026

He offers the bottom plank from the cedar chest that held our clothes and Bible.

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

Candidates with "no knowledge whatsoever of the workflows" are "a lot less appealing for an organization like ours."

From Barron's ● Jul. 17, 2026

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

Ellis' granddaughter Laura Enston welcomed the news and said: "The shadow of Ruth's execution has fallen across two generations. We have carried shame that was never ours to bear."

From BBC ● Jul. 8, 2026

That year, a million people gathered on the National Mall to witness an historic fireworks display, while we, in our little corner of the world, enjoyed ours.

From Salon ● Jul. 3, 2026

“He’s an old patient of ours come to visit. All recovered now.”

From "The Boy Who Met a Whale" by Nizrana Farook

Related Words

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