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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  

/ 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. ⁴ British  

abbreviation

1. International

2. Island or Isle

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-i- ⁵ British  

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

   cuneiform

   coniferous

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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

“Dr. Williams has always maintained that he was acting i self-defense,” Libman wrote in an email.

From Los Angeles Times ● Oct. 9, 2026

Seven & i decided in July not to proceed with a potential investment in Poland’s largest convenience-store chain, ⁠Zabka, which Canada’s Couche-Tard subsequently said it planned to acquire for about $8.6 billion.

From The Wall Street Journal ● Oct. 8, 2026

The i writes that the project "would link new radar, command systems and interceptor missiles" into a single network.

From BBC ● Oct. 6, 2026

"While our aspiration to serve customers in India remains, we look forward to exploring several options to advance our presence in the market over the long term," Seven & i Holdings said.

From Barron's ● Oct. 6, 2026

But i don’t think it can be at school.

From "Every Day" by David Levithan

Before your next checkup, ask yourself a simple question: If the risk of cancer, heart disease or another debilitating disease became real for me tomorrow, what would I wish I had done today?

From MarketWatch ● Oct. 13, 2026

I suggest, unoriginally, that what we call the West emerged from, and is sustained by, the continuing tension between Athens and Jerusalem, not either in isolation from the other.

From The Wall Street Journal ● Oct. 13, 2026

"So my lords, may I introduce you to Baroness Campbell Mark 2," she added, before her AI-generated voice broadcast her address.

From Barron's ● Oct. 13, 2026

“I suppose when I look through 250, 300 years since the Industrial Revolution, for every new technology, we’ve heard the same story of this being negative for jobs,” Reid said.

From MarketWatch ● Oct. 13, 2026

Beyond the fire’s glow, I never knew darkness could be so black.

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

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

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

The queen immediately-18--vol i- retired, and the next day was committed to custody.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

She answered-163--vol i- that she had little to say to him or to the rest that were in the Tower.

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

Combining the results from parts i. and ii., draw a rough sketch of f .

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

Hist. of Latin Christianity, vol. i. pp. 214-215.406.Milman,

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

“Most of it comes out of the ground with the consistency of cold peanut butter,” observes economist David I. Levine of UC Berkeley.

From Los Angeles Times ● Oct. 6, 2026

Jonathan I. Shenkman is president and chief investment officer of ParkBridge Wealth Management.

From The Wall Street Journal ● Oct. 4, 2026

He told me he is not seeing other people, and neither am I. Every year he goes to Mexico for six months.

From MarketWatch ● Sep. 19, 2026

I’ve been a huge Robyn fan for most of my life — she’s kind of a north star for my sisters and I. It’s no secret that we love sad dance songs.

From Los Angeles Times ● Jun. 18, 2026

“Why, we are not going fishing!” said I. “No,” returned Wemmick, “but I like to walk with one.”

From "Great Expectations" by Charles Dickens

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

I, except that some of them have imperatives in -i: vaki, þęfi; uni. lifa, sęgja have imper. lif, sęg.

From Icelandic Primer with Grammar, Notes and Glossary by Henry Sweet

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 John. B. Smith

First log on as root, and then type dpkg -i icewm_0.8.12-1.deb, and icewm version 0.8.12 will be installed.

From Debian GNU/Linux : Guide to Installation and Usage by John Goerzen

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

Then he opened both his arms and said to the people, “And y’all choosed the most beautifullest, most perfectest day for doing it! Only thing I’s got to ask is, what kept you?”

From "Elijah of Buxton" by Christopher Paul Curtis

Both feature her daughter, dancer and choreographer Jasmine Albuquerque, who also performed in “The Sea Is Within Me,” staged live at Houston’s Buffalo Bayou Park Cistern in 2025.

From Los Angeles Times ● Oct. 13, 2026

The Where Is My Husband! singer revealed there were 1.8 million sign-ups for her one-off 5,000-seat performance at the Royal Albert Hall on 23 October.

From BBC ● Oct. 13, 2026

Is she getting $2,000 or $3,000 a month?

From MarketWatch ● Oct. 12, 2026

Is it an ownership stake in a fund, a special-purpose vehicle, a single data-center project, a group of facilities or something else entirely?

From MarketWatch ● Oct. 12, 2026

Is it possible that I did the best I could, with the choices I had?

From "The Brightwood Code" by Monica Hesse

Now, there are still some t’s to cross and i’s to dot.

From Slate ● Oct. 3, 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

And I don’t tend to favor biographies, because there generally are some tedious sections in the middle as the writer dots the i’s and crosses the t’s of the subject’s life.

From The Wall Street Journal ● Apr. 17, 2026

The i's Anna Bonet added Intermezzo is "mature and profound and feels like a culmination of everything she has done before".

From BBC ● Sep. 23, 2024

At Swarthmore, Libbi got all A’s and B’s and started to spell her name with two i’s.

From "Woe Is I" by Patricia T. O'Conner

Deutsche Bank’s base case is that due to fundamental limitations on the speed AI programs and systems can achieve, we won’t reach superintelligence.

From MarketWatch ● Oct. 13, 2026

Last week, SpaceX announced announced a deal to purchase roughly $8 billion worth of mobile wireless spectrum, a sign that the company is getting serious about becoming a major mobile carrier.

From MarketWatch ● Oct. 13, 2026

While I want to caution against putting our unquestioned trust and faith in any shiny new “magic bullet,” it is clear that, within certain parameters, specialized AI programs can detect early signs of disease.

From MarketWatch ● Oct. 13, 2026

The big question for investors is what could snap the semiconductor sector out of its doldrums.

From MarketWatch ● Oct. 13, 2026

One such man is Ishikawa Shingo, a captain in the Imperial Japanese Navy.

From "At Last She Stood" by Erin Entrada Kelly

Only then do we go to the doctor.

From MarketWatch ● Oct. 13, 2026

I suggest, unoriginally, that what we call the West emerged from, and is sustained by, the continuing tension between Athens and Jerusalem, not either in isolation from the other.

From The Wall Street Journal ● Oct. 13, 2026

"We've reached a point where we obviously need companies in the industry to step up and do more to address AI safety issues," Smith said.

From Barron's ● Oct. 13, 2026

Studies have found that visualization — being prompted to consider vivid and emotionally meaningful images — can clarify how we perceive risk and prepare for it.

From MarketWatch ● Oct. 13, 2026

With fruits and vegetables preserved in Mason jars and extra hay for Belle, we can survive winter.

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

Qing Wang, a fellow at the Asia Society, tells me that in Asian countries, “treating guests to a birthday meal fits a longstanding tradition of hospitality.”

From MarketWatch ● Oct. 13, 2026

But she slipped up, triggering ripples of laughter, when she referred to "my president, excuse me, my husband."

From Barron's ● Oct. 13, 2026

“The F.B.I.” in 1970 was next, leading to “Medical Center” in ’71 and “The Streets of San Francisco” in ’72, which put me on the map.

From The Wall Street Journal ● Oct. 13, 2026

It was invisible to them and to me.

From MarketWatch ● Oct. 13, 2026

His self-satisfied expression makes me recall how people, more than exhaustion, cold nights, and hot days, made the land rush horrible and desperate.

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

Most of us have learned to wait for our bodies to tell us something is seriously wrong.

From MarketWatch ● Oct. 13, 2026

When I was 5, Mom had enough and she moved us back to New York, to an apartment on Central Park West with an alley view.

From The Wall Street Journal ● Oct. 13, 2026

"They sort of prepared us for… the worse," she added.

From BBC ● Oct. 13, 2026

Neither of us was interested in bringing the law into our sacred love, which was charged with more laughter and sweetness than, I think, either of us had imagined possible for ourselves.

From Los Angeles Times ● Aug. 14, 2026

When Dad told us about Candace, he assured us that they were careful about where they went and how late they stayed out.

From "Split the Sky" by Marie Arnold

I know I can’t ask people to change their birthday traditions, but I also am reluctant to give up mine.

From MarketWatch ● Oct. 13, 2026

There are more needs being met than just mine.

From Los Angeles Times ● Oct. 13, 2026

In one such victory earlier this week, Australia's highest court blocked the expansion of a coal mine in New South Wales, citing its climate impact.

From Barron's ● Oct. 9, 2026

A high-school English teacher of mine had a few cardinal rules for writing an essay.

From The Wall Street Journal ● Oct. 8, 2026

Hers sounded a bit more promising whereas mine was unrequited.

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

For my patients, it means walking through what high cholesterol today could mean years from now.

From MarketWatch ● Oct. 13, 2026

But she slipped up, triggering ripples of laughter, when she referred to "my president, excuse me, my husband."

From Barron's ● Oct. 13, 2026

Today, my wife, actress Catherine Zeta-Jones, and I divide our time between homes in New York and Spain’s Mallorca island, overlooking the Mediterranean.

From The Wall Street Journal ● Oct. 13, 2026

“And, you know, they always catch the second guy. So, I let him swing. And then my teammates held me back, and I just chilled.”

From Los Angeles Times ● Oct. 13, 2026

“I’ve had my doubts. You toiling for Thompson. Me growing up to do the same.”

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

And when I emailed a wedding photographer whose Instagram feed seemed perfectly curated to how I envision our special day, he quoted me $30,000 for a starter package.

From MarketWatch ● Oct. 13, 2026

“This just serves as a proof of our perfect missile capability,” she said.

From The Wall Street Journal ● Oct. 13, 2026

“Ride safety is a cornerstone of our business, and when we see guest confidence affected, we take it seriously.”

From Los Angeles Times ● Oct. 13, 2026

It also says it focuses its efforts "in relation to those areas which are within our own direct influence".

From BBC ● Oct. 13, 2026

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

From "Split the Sky" by Marie Arnold

“No nation, even one as capable and confident as ours, can safeguard them alone,” said Amin Nasser, chief executive of Saudi’s oil giant ARAMCO.

From Los Angeles Times ● Oct. 13, 2026

“Keeping kids safe requires rigorous independent evaluations like ours, and we hope OpenAI will engage on the substance of what we found, rather than trying to sow doubt on our methodology.”

From The Wall Street Journal ● Oct. 7, 2026

"Just imagine: having to stop right in the middle of the season like that. It's unbearable for a company like ours," he said.

From Barron's ● Oct. 4, 2026

But its good witchery also contextualizes the quest for sanity in mad times like ours with comforting observations about occultism’s role during eras of social upheaval.

From Salon ● Oct. 2, 2026

We were part of the United States branch, but there were Academy branches just like ours hidden all over the world.

From "Glitch" by Laura Martin

Related Words

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