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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  

suffix

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

   Iraqi

   Bangladeshi

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I ² British  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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-i- ³ British  

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

   cuneiform

   coniferous

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I ⁴ 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 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  

abbreviation

1. International

2. Island or Isle

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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

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

The i Weekend says the prime minister and political leaders remember Widdecombe as a "distinguished politician", with the paper remarking she "delighted millions" when she appeared on the BBC's Strictly Come Dancing in 2010.

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

Olly: who says that i do Madeline: I have to go.

From "Everything, Everything" by Nicola Yoon

They are World War I letter openers, made from scrap wood or by blunting the edge of a military blade.

From The Wall Street Journal ● Jul. 15, 2026

“I just felt I had all the tools necessary to bring this character to life,” Guido said.

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

"I thought he was deceived," Dr. Williams writes in his notes.

From "Phineas Gage" by John Fleischman

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

How tame, how puerile, in the midst of sentiments serious and profound as these, would have appeared-252--vol i- the intrusion of classical imagery, however graceful in itself or ingenious in its application!

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

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

Another time she visited the dissolved priory of St. Mary Spittle in Bishopsgate-street, which was noted for its pulpit-cross,-268--vol i- where, on set days, the lord-mayor and aldermen attended to hear sermons.

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

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

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

Dei, i. 22-7.82.This had been suggested by St. Augustine.

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)

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

Astronauts Virgil I. Grissom, Edward H. White II, and Roger B. Chaffee were sitting in the command module as the command center counted them down toward a launch.

From "Reaching for the Moon" by Katherine Johnson

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

Nouns ending in -a, -e, -i, -y, -o, -l, -n, -t, -ar, -ur, -ŭs are Neuter.

From New Latin Grammar by Bennett, Charles E. (Charles Edwin)

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.

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 Sweet, Henry

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

“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

In a statement read to the public inquiry examining how Letby was able to attack babies, Child I's mother said: "I believe the doctors and nursing staff should have acted earlier."

From BBC ● Sep. 19, 2024

I’s so nervous I feel like I’m on throw up right here on Mister Raleigh’s church suit. “... and we’ll end the show with the book review.”

From "The Help" by Kathryn Stockett

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

From Los Angeles Times ● Jul. 15, 2026

Is France against Spain on Tuesday in the semis the real final, as many are suggesting?

From BBC ● Jul. 14, 2026

“Is there support for that in the industry? Is that what people use? They have to be able to back that up.”

From The Wall Street Journal ● Jul. 14, 2026

Is it time to talk about mandatory retirement ages?

From Slate ● Jul. 13, 2026

‘What guide? Why must I find the Mountain? Will I be safe there? Is that it? Safe from the bear?’

From "Wolf Brother" by Michelle Paver

“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

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

I recognized your tiny handwriting right away, all wobbly and with those weird loops you put on top of your t's and i's.

From "When You Reach Me" by Rebecca Stead

“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 for-profit arm is now a Delaware public-benefit corporation, a for-profit company whose directors can balance profit, stakeholder interests, and a specified public mission—as they see fit.

From The Wall Street Journal ● Jul. 15, 2026

The Fed’s beige book is a collection of anecdotes from the central bank’s contacts across the country and is designed to give officials a sense of conditions on the ground before they meet.

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

Joey has no idea yet how influential doctors will become in her life, but she knows this doctor is important to her.

From "At Last She Stood" by Erin Entrada Kelly

But as we round the first corner, almost all of the exhibits are the work of amateurs, conscripted from civilian life and professionalized into name, rank and number.

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

In another message, Jogesh sent an image of a Rolls-Royce to Morris and said: "But if I want one of these then we need to keep going."

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

In my head, Jacqueline and I were the same: We loved music so much, we made it our breath.

From "Split the Sky" by Marie Arnold

“My Grandmother made me the person I am,” Dean said, introducing the song.

From Los Angeles Times ● Jul. 15, 2026

"It was very important to me that the casting felt authentic," said Ryninks.

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

Mr. Alexander is enough of a practical politician to avoid such an analogy, but allow me to illustrate.

From The Wall Street Journal ● Jul. 15, 2026

I ask, but nobody pays me any mind.

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

“Many of us thought we’d now arrived at the era of making cars with robots, not human hands.”

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

"From starting out on the late-night show to hosting the Live Lounge, we have made so many amazing memories that we'll take with us," they added.

From BBC ● Jul. 15, 2026

“For us, that means treating every stock as an ownership stake in the business,” he said.

From MarketWatch ● Jul. 15, 2026

“I picture us on a date all the time but can’t get around to asking you. I’m hoping to work up to it.”

From "Split the Sky" by Marie Arnold

The slight production decline was driven by lower output at the Antucoya mine, the London-listed miner said.

From The Wall Street Journal ● Jul. 15, 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

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

I made up for it with mine and went humming my way though the summer and fall.

From "The Hiding Place" by Corrie ten Boom

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

“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

"The first thing I did was phone the police and I phoned my bank."

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

Without any winking irony or condescension to our ancient forebears in storytelling, the writer-director aims to rekindle our fascination with these oft-told tales: the Trojan Horse, the Sirens’ song, Scylla and Charybdis.

From The Wall Street Journal ● Jul. 15, 2026

"We must take their concerns seriously or our party will suffer the consequences."

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

Trip-related problems are exceedingly common, yet we keep packing our bags.

From Los Angeles Times ● Jul. 15, 2026

Some even put a hashtag with the name of our school; that way we know they are not only out there, but in here, too.

From "Split the Sky" by Marie Arnold

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

"Each time that the other party has failed to meet its obligations, we did not uphold ours," he added.

From Barron's ● Jul. 13, 2026

This same blockchain technology is being used to run Liberland's government and one day, if Sun gets his way, it could run ours too.

From BBC ● Jul. 10, 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

So we ate ours, chewing in silence, and oh, I’d never tasted chocolate like that before.

From "The Seven Wonders of Sassafras Springs" by Betty G. Birney

Related Words

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