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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  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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I ³ 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- ⁴ British  

1. used between elements in a compound word Compare -o-

   cuneiform

   coniferous

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-i ⁵ British  

suffix

1. of or relating to a region or people, esp of the Middle East

   Iraqi

   Bangladeshi

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i ⁶ 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 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

The UK's chief medical officer has released new guidance for people on weight loss injections that say people taking the jabs should start strength training, the i Paper reports.

From BBC ● Jul. 10, 2026

Seven & i Holdings raised its annual guidance after the war-driven surge in gasoline prices boosted earnings at its North American convenience-store business, sending quarterly net profit higher.

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

Then he noticed the marks engraved in the wooden shaft of the pilum: cht i legio xii f.

From "The Son of Neptune" by Rick Riordan

David Ellison is “going to make, I think, fantastic changes and keep some of the great stuff going,” Trump said.

From Los Angeles Times ● Jul. 25, 2026

"I did my best to help Isaac," said Pogacar afterwards.

From BBC ● Jul. 25, 2026

I’m almost positive this piece existed; and the fact that I couldn’t find any mention of it in the sad, hollowed-out husk of the 2026 internet offers no proof that it didn’t.

From Salon ● Jul. 25, 2026

I recently wrote about the elaborate ruse one daughter created to get her parents, who showed signs of dementia and self-neglect, out of their home.

From The Wall Street Journal ● Jul. 25, 2026

“I believe in miracles and God will see that I am cured.”

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

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 Aikin, Lucy

The-207--vol i- success of this collection was prodigious; edition after edition was given to the public under the inspection of different poetical revisers, by each of whom copious additions were made to the original work.

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

Mary received her in her chamber, to which she had now confined herself in expectation of that joyful-192--vol i- event which was destined never to arrive.

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

Footnote 4: Barros, Dec. i. lib. i. cap.

From Agincourt The Works of G. P. R. James, Volume XX by James, G. P. R. (George Payne Rainsford)

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

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

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

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

“No, not I. What can they do for you? You should not be roving about now; it looks very ill.”

From "Jane Eyre" by Charlotte Brontë

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

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

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

Tarsus -i: the foot; the jointed appendage attached at the apex of tibia. bearing the claws and pulvilli.

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

The medieval Cloth Hall and St. Martin’s Church were two of the most prominent monuments in Ypres, Belgium, and among World War I’s early casualties.

From The Wall Street Journal ● Jul. 15, 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

Queen Elizabeth I’s elaborate mask-like daily makeup ritual not only hid her smallpox scars but was also meant to project a preternatural agelessness.

From Los Angeles Times ● Mar. 24, 2024

I's the one what set him to dusting.

From "How It Went Down" by Kekla Magoon

The simplest way of formulating that question: Is there any objective sense in which a man can become a woman or vice versa?

From The Wall Street Journal ● Jul. 24, 2026

The museum will also screen “Seeing Is Believing: The Story of Narrative Art,” a new documentary series it commissioned from Robin Dashwood.

From Los Angeles Times ● Jul. 24, 2026

Is 2026 the Commonwealth Games' last dance or a future-proofing revamp?

From BBC ● Jul. 23, 2026

Is the surge in initial public offerings a red flag for investors?

From MarketWatch ● Jul. 23, 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

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

Columbia Law School business professor Eric Talley added: “This doesn’t constitute Paramount Skydance coming out and waving a big white flag — but it is a small white flag of surrender.”

From Los Angeles Times ● Jul. 25, 2026

The 19-year-old Seixas finally ran out of energy on the final mountain of the race and is set to finish fourth in the general classification, 11 minutes and 56 seconds down on Pogacar's overall time.

From BBC ● Jul. 25, 2026

“The U.S. has not proven that forced labor is causing us to lose business,” said Rick Woldenberg, chief executive of the educational-toy maker Learning Resources and the learning-material company hand2mind.

From The Wall Street Journal ● Jul. 25, 2026

“This is the fastest and clearest way to prove that this transaction is good for competition, good for consumers, and good for creators,” Paramount said.

From Los Angeles Times ● Jul. 25, 2026

Spanish influence in the Philippines is evident in the country’s language, religious practices, surnames, and culture.

From "At Last She Stood" by Erin Entrada Kelly

“So we think and we hope there will never be a merger.”

From Los Angeles Times ● Jul. 25, 2026

One of the hardest and most important conversations we will have as adult children is “the talk” with parents about aging.

From The Wall Street Journal ● Jul. 25, 2026

It defines the outer edge of our observable bubble and marks the greatest distance we can see today.

From Science Daily ● Jul. 25, 2026

"I don't think we can put too much pressure on them. It's part of my job to try and take the pressure off them and allow them to develop and to enjoy their time here."

From BBC ● Jul. 25, 2026

“We need to buy nails, extra wood if we can,” says Father.

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

"This is me being me and being me is dominant, being consistent."

From BBC ● Jul. 25, 2026

A couple of laps in the eager and edgy 420 Sport made me realize how long it had been since I actually had fun—that’s the word!—in a sports car.

From The Wall Street Journal ● Jul. 25, 2026

"I am pained to see the events of the past 10 days. This is not a matter of personal prestige for me," Pradhan said in a statement posted on social media platform X.

From Barron's ● Jul. 25, 2026

“This is catastrophic,” Ghazalian said, telling me he had no idea when he’ll be able to put employees back to work and serve customers again.

From Los Angeles Times ● Jul. 25, 2026

Astonishingly, he lifts me off my feet, twirls me twice.

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

Conversations about the future and aging invariably lead to thoughts about what is in store for all of us: death.

From The Wall Street Journal ● Jul. 25, 2026

Space expanded during the entire time that their light was traveling toward us.

From Science Daily ● Jul. 25, 2026

Summer, a season of good eats and fresh produce, has been tainted by a rampant parasitic outbreak that’s made us all scared to indulge in a generous plate of Caesar salad.

From Salon ● Jul. 25, 2026

He added that there had not been enough communication from the government with "those of us that know the ground" and that too many decisions had been "taken from Edinburgh".

From BBC ● Jul. 25, 2026

When we’re done with the meal, Arlo and I cut into the triple-chocolate cake that Aunt J picked up for us after work.

From "Split the Sky" by Marie Arnold

Burke asked, "also my mother always told me to ask this question if I was ever in this situation … it is mine right?"

From BBC ● Jul. 25, 2026

In March, developers affiliated with China's Alibaba found one of their models trying, on its own initiative, to mine cryptocurrency after connecting without authorization to an outside server.

From Barron's ● Jul. 24, 2026

"We made a commitment to each other that what's mine is yours, and vice versa."

From BBC ● Jul. 23, 2026

Cuba’s government seized the mine from an American company after the revolution.

From The Wall Street Journal ● Jul. 22, 2026

He raised his own glass to mine and we clinked them together.

From "The Brightwood Code" by Monica Hesse

"I don't think we can put too much pressure on them. It's part of my job to try and take the pressure off them and allow them to develop and to enjoy their time here."

From BBC ● Jul. 25, 2026

“I will continue to give my all every time I get to defend it.”

From The Wall Street Journal ● Jul. 25, 2026

"I have heart disease, high blood pressure and problems with my eyes," she said.

From Barron's ● Jul. 25, 2026

"It was quite far away from my house but I could see it very clearly from the upstairs level of my home."

From BBC ● Jul. 25, 2026

Sitting before the fire, I slip my hand into Father’s.

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

“To our guests: Thank you for welcoming us into your lives and becoming part of our family.”

From Los Angeles Times ● Jul. 25, 2026

It defines the outer edge of our observable bubble and marks the greatest distance we can see today.

From Science Daily ● Jul. 25, 2026

He praised the Secret Service officers and law enforcement personnel who responded that night, calling the attack “an assault on our democracy itself” and declaring that “we do not yield to political violence.”

From Salon ● Jul. 25, 2026

A spokesperson said there was a cost associated with award applications and its focus was on "directing as much funding as possible into enhancing and maintaining our parks".

From BBC ● Jul. 25, 2026

Staring into the spiked, erratic flames, I see Ma in our new home, clasping her hands, delighted.

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

Dogs in art, Mr. Laqueur suggests, “bring their world into ours, which is perhaps how they make us feel less lonely as a species.”

From The Wall Street Journal ● Jul. 17, 2026

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

Last week, at an event in Washington, House Speaker Mike Johnson reminded the audience of one of John Quincy Adams’ favorite lines: “Duty is ours; results are God’s.”

From Salon ● Jul. 10, 2026

The Kasteevs’ apartment was bigger than ours, but that day it was crowded—stuffed full of people I didn’t recognize, and giant bright lights on stands everywhere, and big black camera equipment.

From Absolutely Almost by Lisa Graff

Related Words

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