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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  

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

   cuneiform

   coniferous

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I. ⁴ British  

abbreviation

1. International

2. Island or Isle

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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  

symbol

1. Also called: j. the imaginary number √–1

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-i ⁷ British  

suffix

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

   Iraqi

   Bangladeshi

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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

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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

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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 i Paper also leads with the spy chief's speech, quoting him as saying threats from foreign adversaries have quadrupled in a decade.

From BBC ● Oct. 14, 2026

The Canadian retail conglomerate ultimately withdrew its offer over friction around valuation gaps and antitrust issues in the U.S., prompting Seven & i to focus on restructuring and a standalone North American IPO strategy.

From The Wall Street Journal ● Oct. 9, 2026

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

From Los Angeles Times ● Oct. 9, 2026

The i says a "blunder over funding teacher pay rises" means school budgets are "set for squeeze".

From BBC ● Oct. 7, 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

To have that connection with the supporters it's mixed emotions, it'll take a bit of time to digest but I certainly appreciate their support.

From BBC ● Oct. 25, 2026

My husband and I have lived in the same house for 23 years.

From MarketWatch ● Oct. 25, 2026

“I didn’t invent temporary sales,” Marver told the Seattle Times in October 2022, “but I feel like I invented temporary Halloween.”

From The Wall Street Journal ● Oct. 25, 2026

Neither you nor I, nor Fielder or Oppenheim or Evans, can see everything.

From Salon ● Oct. 25, 2026

I swear Father dreams Oklahoma in his sleep.

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

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

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

And that there never came-99--vol i- gold or stone upon her head, till her sister forced her to lay off her former soberness, and bear her company in her glittering gayness.

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

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

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

Randolph, speech in Congress, i. 45-51; sketch of, i.

From The Second War with England, Vol. 2 of 2 by Joel Tyler Headley

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 R. G. (Robert Gordon) Latham

“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

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

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

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

They needed to get safely home, and so did I. That last thought lingered in my mind as I dived back into the water.

From "Flying Through Water" by Mamle Wolo

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 of manner defining the verb, is formed by adding the adjective with the final syllable changed to -i.

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

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 Walter John Clark

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 William W. Mann

Caleb said he was told the Llantrisant Mace was older than most of the Crown Jewels and survived Oliver Cromwell trying to melt down any remaining precious metal bearing Charles I's crest.

From BBC ● Jun. 18, 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

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

"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

That makes this year’s World Series something of a Rorschach test: Is a Brewers-Rays series proof that the system actually works just fine the way it is?

From Los Angeles Times ● Oct. 24, 2026

While “All I Want for Christmas Is You” came out in 1994, it didn’t hit No. 1 until 2019.

From The Wall Street Journal ● Oct. 24, 2026

The River Thames wound its way through 1999's The World Is Not Enough, with Bond whizzing in a speedboat past the Houses of Parliament, through Tower Bridge to Docklands and the then-Millennium Dome.

From BBC ● Oct. 24, 2026

Is this normal, and does that kind of arrangement sound fair to you?

From MarketWatch ● Oct. 23, 2026

Is it possible he was asking to be connected to the man who had just attacked me?

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

"If I'm making a decision that is highly likely to be in legal challenge, I want to make sure I've dotted my i's and crossed my t's," she added.

From BBC ● Sep. 11, 2026

“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

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

“You’ve gotta stop it with that! You are not being a real person! Come on man, that is crazy!”

From Salon ● Oct. 25, 2026

In a statement, the Scottish government said while conditions may ease later on Sunday, there is potential for adverse weather to return in the coming days.

From BBC ● Oct. 25, 2026

The first is trauma bonding — people using others to regulate their emotions.

From MarketWatch ● Oct. 25, 2026

They note that most of the nation’s wealth is concentrated among small-business owners.

From The Wall Street Journal ● Oct. 25, 2026

How and when her parents died is lost to history.

From "At Last She Stood" by Erin Entrada Kelly

"And with these hands, calmly and with dignity, we shall finish what we started."

From BBC ● Oct. 25, 2026

We watched their dog when they traveled, and they collected our mail when we were away.

From MarketWatch ● Oct. 25, 2026

“We sort of set out with a goal of at least 50,000 and people said we were crazy, and we are exceeding those numbers,” said Jonathan Barsade, president of AID Coalition, which launched the program.

From The Wall Street Journal ● Oct. 25, 2026

In that relatively short time, we come to understand many things about Holmes and Evans.

From Salon ● Oct. 25, 2026

We’re about two miles away from my school when we pass Millwood Manor.

From "Split the Sky" by Marie Arnold

For me, it was the trip of a lifetime.

From The Wall Street Journal ● Oct. 25, 2026

"That says everything to me," former Premier League winner Clinton Morrison said.

From BBC ● Oct. 25, 2026

More than once, I found myself studying photographs of grocery shelves, circling the very products I’d requested and sending the images back to my shopper, who would politely assure me that they weren’t available.

From Salon ● Oct. 25, 2026

"I didn't have my phone with me, and I didn't know what was happening."

From Barron's ● Oct. 25, 2026

This is the first time Father’s asked me to keep a secret.

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

At one point they joked that having us next door was better than a maintenance contract.

From MarketWatch ● Oct. 25, 2026

Those are different jobs, performed on different platforms, and neither figure tells us which workers are more likely to mistake parsley for cilantro.

From Salon ● Oct. 25, 2026

On this trip, many of us played with hickory-shafted clubs, the equipment used before the steel shaft was introduced in the 1920s.

From The Wall Street Journal ● Oct. 25, 2026

"Being the third wheel in this system makes us want to call it a moon, even if it is nothing like the small, rocky moons we have in our system."

From Science Daily ● Oct. 25, 2026

The guy next to us looks inside our car.

From "Split the Sky" by Marie Arnold

"It was no mistake of mine to call it Riverdance because it connected absolutely to Timedance," Whelan told author Leagues O'Toole in his 2006 book The Humours of Planxty.

From BBC ● Oct. 23, 2026

I’ve seen it happen to friends of mine, where there is a separation because the people that we turned into are now no longer compatible.

From Los Angeles Times ● Oct. 23, 2026

Dad told me more than once that the house would be mine someday.

From MarketWatch ● Oct. 23, 2026

Hudbay Minerals and Mitsubishi approved construction of a major copper mine in the U.S.

From The Wall Street Journal ● Oct. 22, 2026

His gaze drills into mine, concern mixed with empathy, and a weird, edgy feeling comes over me, like he knows something I don’t.

From "Red Flags and Butterflies" by Sheryl Azzam

"The players are not good enough, in my opinion, to win football matches."

From BBC ● Oct. 25, 2026

They’d ask if my husband would fix something himself rather than hire someone.

From MarketWatch ● Oct. 25, 2026

More than once, I found myself studying photographs of grocery shelves, circling the very products I’d requested and sending the images back to my shopper, who would politely assure me that they weren’t available.

From Salon ● Oct. 25, 2026

On the eighth hole, I rolled my 6-foot par putt over a pile of sheep manure smoothed over by my right foot.

From The Wall Street Journal ● Oct. 25, 2026

Wrapping my arms about Midnight’s neck, I murmur, “You did good. You did good.”

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

Maybe that’s too cynical, and they simply got used to our generosity because, unlike them, we could afford to give our time away.

From MarketWatch ● Oct. 25, 2026

Our journey began with a three-hour drive from the Edinburgh airport to Oban, a seaport town on the Scottish west coast that would be our hub.

From The Wall Street Journal ● Oct. 25, 2026

Refusing to stop at investigating her characters alone, she’s interested in humanity as a whole, and where those roles fit into how our species operates.

From Salon ● Oct. 25, 2026

It marked a "turning point in the life of our Republic and our nation", the French president said.

From BBC ● Oct. 25, 2026

“Yes. She misses us and wanted to come at the last minute, to celebrate our birthday,” I reply as the rain outside shouts louder as if to drown out my lies.

From "Split the Sky" by Marie Arnold

The shame in this story was never his, and it was never ours.

From Salon ● Oct. 22, 2026

He said he assumed I’d be fine with it since the money was still ours.

From MarketWatch ● Oct. 21, 2026

"That future is ours to build. Let us build," he said.

From Barron's ● Oct. 16, 2026

Ms. Smialek interweaves Edgeworth’s story with economic debates of her time, which remain debates in ours.

From The Wall Street Journal ● Oct. 13, 2026

Gently, Kumu Maka takes the shirt from me and drapes it over the seat next to ours.

From "Clairboyance" by Kristiana Kahakauwila

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• he
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