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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

On the front page of the i Paper is the comment from police that there was "no sign of political motive" in the murder.

From BBC ● Jul. 13, 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

"Heatwave UK: 50-year record broken again" reports the i Paper, as the Met Office forecasts 37C on Friday.

From BBC ● Jun. 26, 2026

If you consider the idea that a hundred million viruses could cover the dot on this i, then you get an idea of the sharpness of a diamond knife.

From "The Hot Zone" by Richard Preston

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

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

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 a total long shot, but, like a UFO believer, I held on to the possibility of making contact," he said.

From BBC ● Jul. 15, 2026

“It might help. I taught Will Sundays when you napped. It was our surprise.”

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

With a just and pleasing confidence, the queen replied, 'I warrant you it is for-251--vol i- gladness,'" "How many nosegays did her grace receive at poor women's hands!

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

Cecil replied, "Yes, madam,-282--vol i- and she says your majesty would like to do so too;" lord Robert Dudley then filling the office of master of the horse to the queen.

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

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 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)

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

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

Yes, Jonny didn't play up to scratch but neither did I. I was trying too hard because I wanted to win.

From BBC ● Mar. 26, 2026

Commander Gorringe & the entire crew knelt down in prayer, and so did I. There was silence, except for the water slapping against the hull.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

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

Its inflections are -as present, -is preterite, -os future, -us conditional, -u imperative and subjunctive, -i infinitive, together with the following participles:—   Active.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

The remaining “weak” cases, formed by the suffixes -sma, -sya, -sy�, -y�, -i, -an, -t, -bhi, -su, -i, -a and -�, are really adjectives and adverbs.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

Flocculus -i: a hairy or bristly appendage on the posterior coxa of some Hymenoptera.

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

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

“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

You tearing off in one direction and Leroy tearing off in the other, I’s too old to be chasing after folks like a hound dog.

From "Elijah of Buxton" by Christopher Paul Curtis

"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 the latest ICE shooting becoming an issue there?

From Slate ● Jul. 14, 2026

Is this probability too high or too low?

From MarketWatch ● Jul. 13, 2026

“I still feel terrible about coaxing your ba to go to your premiere when I knew he’d hate it. I heard him yelling at you the next day. Is that why you’re moving out?”

From "The Red Car to Hollywood" by Jennie Liu

“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

The deputy chief told Boyd that Spivey’s body was towed “to make sure that every i’s dotted, t’s crossed to clear you.”

From The Wall Street Journal ● Dec. 21, 2025

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

Energy Secretary Chris Wright said the U.S. had arranged to replace the 172 million barrels of SPR oil with about 200 million barrels within the next year, which is 20% more than the drawdown.

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

This wartime amulet is apotropaic art, attempting to deflect the gamble with death.

From The Wall Street Journal ● Jul. 15, 2026

Joey is only sixteen, but she’s pleased with the life that stretches before her—a road that many women have traveled before.

From "At Last She Stood" by Erin Entrada Kelly

Here we see the gift that Gilbert Insall’s comrades in the Royal Flying Corps made for him at Christmas 1915: a wooden propeller hub mounted with a clock.

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

They added: "We are hopeful that we can secure helicopter support soon, but they are presently unavailable due to attending fires south of the border in England."

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

“This is why we left Louisiana? Traveled west?”

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

The chasteness of Nolan’s version bugs me as it’s insulting he doesn’t trust audiences to grapple with this hero’s moral complexity — and I’m gut-sick that he’s probably right.

From Los Angeles Times ● Jul. 15, 2026

"He is the perpetrator... he infiltrated my life and my family and my finances. He should be the one that should feel the shame, not me."

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

“They brought me so much joy,” Nguyen said.

From The Wall Street Journal ● Jul. 15, 2026

Without turning around, still looking at me, not at the gun, he shouts, “Riley, Eb, let’s be moving on. I admire this boy. He’s ready to defend his land.”

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

He gave us dozens of hours of inventive comedy and deserves much more glory than he has yet received.

From The Wall Street Journal ● Jul. 15, 2026

Most of the first episode gives us Lucky on the run, getting out of the hotel and out of Vegas, and across the tops of a field of big rigs.

From Los Angeles Times ● Jul. 15, 2026

We asked you to get in touch via BBC Your Voice to tell us who you thought should be included in a Scottish Hall of Fame and were overwhelmed by your responses.

From BBC ● Jul. 15, 2026

“This has also invited us very strongly to investigate another 30% increase in our EUV capacity for 2028.”

From MarketWatch ● Jul. 15, 2026

Dad takes out his cell and shows us a video on YouTube.

From "Split the Sky" by Marie Arnold

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

Israeli Prime Minister Benjamin Netanyahu said: "Lindsey is a great friend of Israel and a cherished friend of mine."

From Barron's ● Jul. 12, 2026

UBS reckons the giant miner could be looking to complement its organic growth plans in lithium, aluminum and iron ore, as it ramps up recent copper projects such as the Oyu Tolgoi mine expansion.

From The Wall Street Journal ● Jul. 10, 2026

His eye catches mine, and his unasked questions float between us before mine dart away, because it’s a lie.

From "Red Flags and Butterflies" by Sheryl Azzam

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

She continued: “He was a true and noble gentleman, wrapped up in my dream leading man. I will love you forever, Dr. Alan Grant.”

From Los Angeles Times ● Jul. 15, 2026

Ryninks said he had "always wanted to set a film on the Ceredigion coast as it's my favourite place in the world".

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

Yet, I realize, my arms and legs are puny compared to Midnight’s limbs.

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

“We’re not just going to bomb and bomb and bomb. We’re going to try to use our military force as one of the many tools that we have to solve the problem,” Vance said.

From The Wall Street Journal ● Jul. 15, 2026

"After my mum passed away, I found myself returning frequently to west Wales, where our family is from," he told BBC Wales.

From BBC ● Jul. 15, 2026

"I am fully committed to reaching our inflation target, and this commitment is unwavering," she added.

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

I tell her what I saw: A Black boy, about our age, knocking on a white door.

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

The Washington monument is both architecture and sculpture, a powerful symbol with layered meanings for different generations from Washington’s time to ours.

From The Wall Street Journal ● Jul. 3, 2026

"The shame is not yours. The shame was never yours. The shame is ours," he insisted.

From Barron's ● Jul. 2, 2026

She added: "You have nothing to be ashamed of. The shame is ours."

From BBC ● Jul. 2, 2026

“Be calm,” Commander Gorringe told us as the ship pulled alongside ours.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

Related Words

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