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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

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

Seven & i Holdings 3382 -0.05%decrease; down pointing triangle 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

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

From BBC ● Jun. 26, 2026

Truth, i think that is the last basic element.

From "Stella by Starlight" by Sharon M. Draper

In the lawsuit, Tan described a Jan. 28, 2025, phone conversation in which a lieutenant allegedly told him: “Essentially, if I help you, I’m actually helping the family sue the Department.”

From Los Angeles Times ● Jul. 18, 2026

"I think just getting out there, people are accepting of it. Everyone we know just treats Ethan as Ethan."

From BBC ● Jul. 18, 2026

"On a personal level, however, I wish him all the best," Brantner added.

From Barron's ● Jul. 18, 2026

“And I think that’s going to accelerate in the back half of the year, when these high energy costs and fertilizer costs come to roost for our major agricultural producers,” he added.

From MarketWatch ● Jul. 18, 2026

“Each day the wagon will grow lighter,” I promise.

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

From this period the cause of popery proceeded-183--vol i- triumphantly: a reign of terror commenced; and the government gained fresh strength and courage by every exertion of the tyrannic power which it had assumed.

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

Numbered footnotes in Sections I-VII of the Introduction have been relocated to the end of the Introduction and marked with an "i-".

From Benjamin Franklin Representative selections, with introduction, bibliograpy, and notes by Jorgenson, Chester E.

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

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

Common law protected until and statute law after publication, i. e. when the public in general is first permitted to view the work.

From Copyright: Its History and Its Law by Bowker, Richard Rogers

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)

He also urged them not to allow partnerships between large corporations and the military, the way the German scientific community and government did with I. G. Farben and Krupp Armaments and Steel.

From Los Angeles Times ● Jun. 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

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

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

We have words over that, Karin and I. Very broken words in German and Polish.

From "The Light in Hidden Places" by Sharon Cameron

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

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 Clark, Walter John

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.

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

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

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

He then declared his independent kingship, sending an army to attack Egypt in concert with the Seleucid king An- tiochus I’s invasion from the east in 274.

From "Circumference" by Nicholas Nicastro

Is that going to be an issue here?

From Slate ● Jul. 17, 2026

Is it possible to complete a credit-card debt settlement negotiation without ending up with bad credit?

From MarketWatch ● Jul. 17, 2026

Is it coming from a perfectionist mindset or because you are very self-critical?

From BBC ● Jul. 17, 2026

She has now written her autobiography, entitled "Is That You, Petula?"

From Barron's ● Jul. 17, 2026

“That’s a good sign. Is there any reason?”

From "Bye Forever, I Guess" by Jodi Meadows

"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 care that you dot your i’s, you cross your t’s, that if you say you’re going to do something, you do it.

From The Wall Street Journal ● Mar. 12, 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

A Japanese company of Seven & i's size has never been bought by a firm from overseas.

From BBC ● Oct. 8, 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

The Yarkovsky effect is a subtle force caused by heat.

From Science Daily ● Jul. 18, 2026

If the connection is correct, the event may have produced geological changes across several worlds and could even have influenced Earth's climate and biosphere.

From Science Daily ● Jul. 18, 2026

The asteroid strike that created it is widely associated with the extinction event that wiped out all nonavian dinosaurs and many other species.

From Science Daily ● Jul. 18, 2026

Another important question is whether Mars contains enough of the materials required for large-scale water electrolysis or whether those resources would have to be transported from Earth at enormous expense.

From Science Daily ● Jul. 17, 2026

Joey, who dreams of being a nun, is a good fit for the convent.

From "At Last She Stood" by Erin Entrada Kelly

"These microproteins may act as molecular messengers that translate what we eat into how our cells function and age," Vicinanza said.

From Science Daily ● Jul. 18, 2026

“That does not mean we are cured. We are still in jeopardy of recurrence and require careful continuity of care monitoring by our out-of-state specialist.”

From Los Angeles Times ● Jul. 18, 2026

"We want all children to see themselves represented on screen and to feel that they belong in the stories we tell," he said.

From BBC ● Jul. 18, 2026

We also we look at how America lost the World Cup but won over the world.

From The Wall Street Journal ● Jul. 18, 2026

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

From "Split the Sky" by Marie Arnold

“I was supposed to be gone, but I’m not,” Clough told me two years ago in the kitchen of her home.

From Los Angeles Times ● Jul. 18, 2026

Another told me: "You can't say with any certainty what kind of politics he is going to pursue."

From BBC ● Jul. 18, 2026

Even more sobering for me was the sight of another Bentley grazing the hay bales.

From The Wall Street Journal ● Jul. 18, 2026

“I treat them with a type of radiation that’s not available in every state,” she told me.

From Los Angeles Times ● Jul. 18, 2026

But Father prefers me being seen, not heard.

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

"JWST observations are offering us thousands of new facts and measurements, and I can report it's a lot to absorb," said Megan Donahue, MSU University Distinguished Professor of physics and astronomy.

From Science Daily ● Jul. 18, 2026

“Some of us are in remission or with no evidence of disease,” Clough testified at a hearing on the bill.

From Los Angeles Times ● Jul. 18, 2026

But decades of research and community-based prevention efforts tell us otherwise.

From Salon ● Jul. 18, 2026

The mother of two said being able to pay upfront and claim back the costs was "just not a viable option for us at the moment".

From BBC ● Jul. 18, 2026

Ahead, in front and to the left of us, is a man berating a mule.

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

Bell Potter says the higher costs were driven by lower grades, weaker sales volumes, higher diesel costs and accounting impacts of the integration of maiden copper production from the new Jericho mine.

From The Wall Street Journal ● Jul. 17, 2026

"What I do is very personal, and it's mine; nobody can be me," she said.

From Barron's ● Jul. 17, 2026

Inter Miami FC co-owner Sir Becks came to Posh's defence, though, replying that "she was celebrating inside, I promise. Her reactions were slightly slower than mine".

From BBC ● Jul. 17, 2026

This reflects lower production at the Tropicana mine, higher diesel costs and industry inflation.

From The Wall Street Journal ● Jul. 17, 2026

Her lips turn up in a forced smile and her eyes settle, heavy on mine.

From "Red Flags and Butterflies" by Sheryl Azzam

In less than four seconds—according to butterflies let loose in my stomach—the Bentley swept past 60 mph, casually acquiring a kinetic energy of nearly one megajoule, roughly equivalent to a stick of dynamite.

From The Wall Street Journal ● Jul. 18, 2026

“I kind of changed the way I use my lower body,” Sasaki said.

From Los Angeles Times ● Jul. 18, 2026

"And I wanted to make sure that my name reflected that. My mother's love and also my husband's love are very abundant and so important to me."

From BBC ● Jul. 18, 2026

My husband and I got an apartment about a block away from our apartment that we share as an office and it’s also my workout space.

From The Wall Street Journal ● Jul. 18, 2026

I do a few finger warm-ups so my muscles are nice and relaxed.

From "Split the Sky" by Marie Arnold

"Given that the peak of this barrage coincides with a period of widespread cooling and major shifts in our biosphere, it is tempting to suggest that the former produced the latter," Bottke said.

From Science Daily ● Jul. 18, 2026

“That does not mean we are cured. We are still in jeopardy of recurrence and require careful continuity of care monitoring by our out-of-state specialist.”

From Los Angeles Times ● Jul. 18, 2026

The new format, expanding team participation from 32 to 48, has brought to center stage smaller, underdog countries that have outperformed expectations, produced unexpected heroes and warmed our collective hearts.

From Salon ● Jul. 18, 2026

England manager Thomas Tuchel had a similar view after the defeat by Argentina in Atlanta on Wednesday night, saying: "None of our players and none of the French players want to play this match."

From BBC ● Jul. 18, 2026

“Look, I know you give money to our causes, and that’s great, big brother, but sometimes you need to be on the front line.”

From "Split the Sky" by Marie Arnold

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

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

"Their spirit was high, and ours is high as we welcome them."

From Barron's ● Jul. 10, 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

“He is no burglar. Simon is a friend of ours from London. And a very talented playwright, too,” she added.

From "The Unseen Guest" by Maryrose Wood

Related Words

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