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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

The i Paper's top story also covers the landmark vaccine trial, which found patients with high-risk melanoma remained free of cancer for longer after surgery.

From BBC ● Aug. 20, 2026

The i Paper says new housing developments near train stations are set to be fast-tracked in a major expansion of commuter villages and towns.

From BBC ● Aug. 17, 2026

"Three-quarters of England, and all of Wales, now officially in drought," the i Paper writes, with "no sustained rain on the horizon".

From BBC ● Aug. 10, 2026

The move comes less than a week after Seven & i decided against proceeding with a potential investment in ⁠Zabka.

From The Wall Street Journal ● Jul. 31, 2026

Exception 2.—Words ending in ie and dropping the e, by Rule I. change the i into y to prevent the doubling of the i: as, die + ing = dying; lie + ing = lying.

From New Word-Analysis by William Swinton

The writer Ross Barkan, whose forthcoming book about Zohran Mamdani was suspended following accusations of plagiarism in his columns, apologized for not citing others’ work “as aggressively as I should have.”

From The Wall Street Journal ● Aug. 20, 2026

"Or do I enjoy being more at home with my family? Seeing my friends more when you're not enjoying your sport?"

From BBC ● Aug. 20, 2026

“I think I can speak for a lot of people who will say this is, maybe, long overdue,” Dodgers star Justin Turner said then.

From Los Angeles Times ● Aug. 20, 2026

“We could have executed our store mix better, and by that I mean we could have been sharper on having the right goods in the right stores at the right time,” Herrman told analysts.

From The Wall Street Journal ● Aug. 20, 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

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

The gentlemen pleaded,-141--vol i- on the other side, the urgency of their commission, and said that they had brought the queen's litter for her conveyance.

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

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

Properties i. and ii. say that line integrals are linear, which is true of single-variable integrals as well.

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

But the converse, i. e. consideration for the historical conditions of Ephesus and its sister churches, on the part of the body of the work, is absolutely wanting.

From The Making of the New Testament by Benjamin Wisner Bacon

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

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

Nearly five million Americans served in uniform during World War I. After the war, the U.S. drew down the Army to a minimal level and kept it there for two decades.

From The Wall Street Journal ● Apr. 28, 2026

Guy Fieri didn’t know about it, and neither did I. Oh no, he did.

From Los Angeles Times ● Apr. 26, 2026

The experience was not lost on the painters, and doubtless some of the sketches of the “Prelude to the Great Storm” will grace the R. A. and R. I. walls in May next.

From "Dracula" by Bram Stoker

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

Verbs in -i add -ua to the final syllable.

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

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

Oncus -i: a welt: applied to welt-like ridges on caterpillars.

From Explanation of Terms Used in Entomology by John. B. Smith

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

“I don’t carry beef with people. And I’m not going to get into the history of Doc and I’s relationship right now. And I probably won’t ever. He’s fine in my book.”

From Los Angeles Times ● Oct. 10, 2024

Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.

From BBC ● Sep. 19, 2024

If you add ly, you end up with double I’s: awfully, carefully, usefully, wonderfully, etc.

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

Is Burnham more popular in the polls because he is racking up the likes on social media, or is he doing better online because people like him?

From BBC ● Aug. 20, 2026

"Is it a 'machine', or a 'human'?" posited a sign next to the enormous machine.

From Barron's ● Aug. 19, 2026

Earlier in August, Meta Platforms announced a $1 billion “Future Is For Everyone” fund to pour money into the communities where Meta has data centers.

From The Wall Street Journal ● Aug. 19, 2026

Ken Olin, the “thirtysomething” star-turned-director who helmed many a baby-filled episode of Fogelman’s earlier series, “This Is Us,” marvels at how Woodley delivers devastating emotions beyond anything he thought he captured on set.

From Los Angeles Times ● Aug. 18, 2026

Grandpa thought a second, then shaking his head, he said, “No, I don’t think it belonged to a fisherman. Is one monkey all Rowdy treed?”

From "Summer of the Monkeys" by Wilson Rawls

“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

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

“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

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

“Apple is already so large, profitable, and deeply embedded in its customers’ lives that incremental excellence may no longer be enough to redefine the company,” Mohan cautioned.

From MarketWatch ● Aug. 20, 2026

The pervasive threat is a constant topic of conversation in a way that crime was when I was growing up: who had been mugged, whose apartment had been robbed, whose car had been stolen.

From The Wall Street Journal ● Aug. 20, 2026

“The latter two have not been emphasized in the Tim Cook era but AI could require Apple to move with a higher rate of change when the speed of innovation is accelerating,” Mohan added.

From MarketWatch ● Aug. 20, 2026

This year, as the High Holidays approach, the Jewish community in New York is thinking about holiday services differently.

From The Wall Street Journal ● Aug. 20, 2026

She is elected president of the student council.

From "At Last She Stood" by Erin Entrada Kelly

“Part of it is signaling here, and to show that we believe that the yields don’t reflect the underlying fundamentals,” the Treasury secretary added.

From MarketWatch ● Aug. 20, 2026

“We could have executed our store mix better, and by that I mean we could have been sharper on having the right goods in the right stores at the right time,” Herrman told analysts.

From The Wall Street Journal ● Aug. 20, 2026

It’s as if he recognizes that so much recent blockbuster filmmaking has been about embedding heart-wrenching pathos into the nostalgic elements we know and love.

From Salon ● Aug. 20, 2026

Because of confidentiality provisions and the private nature of these disputes, there is plenty we don’t know about how common fights like this one are—or how they’re resolved.

From Slate ● Aug. 20, 2026

Unfortunately, we don't know if the details are true.

From "Phineas Gage" by John Fleischman

They may know precisely what I ordered at 9:43 p.m. on a Wednesday six months ago, but there is nobody on the other side for me to know in return.

From Salon ● Aug. 20, 2026

"Red Bull allows me to do things also a little bit outside of Formula 1. So it's, like, a big plus. You know, all of it, the whole package, which I'm very grateful for."

From BBC ● Aug. 20, 2026

Sanjay Chandra is the company’s first chief information officer and Han Chiu is its first senior vice president of AI and software engineering, CEO Tom Hale told me in an exclusive interview.

From The Wall Street Journal ● Aug. 20, 2026

So if there’s an opportunity to try something very new, to me, it’s the ultimate luxury.

From Los Angeles Times ● Aug. 20, 2026

I ask, but nobody pays me any mind.

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

They just didn’t feel the need to spell it out for us, allowing the movies to do the talking instead.

From Salon ● Aug. 20, 2026

Each day, we want you to give us five correct answers inside five minutes.

From BBC ● Aug. 20, 2026

"Expanding the Homo genus to also include species of Australopithecus and Paranthropus will allow us to account for differences without regularly reclassifying particular groups."

From Science Daily ● Aug. 20, 2026

“Employers are telling us that this is utterly unsustainable,” said Jeff Levin-Scherz, population-health leader at WTW.

From The Wall Street Journal ● Aug. 20, 2026

We all look at one another, and let’s just say not all of us are excited about that prospect—least of all Aunt J. Grandma immediately says she has a lot to do.

From "Split the Sky" by Marie Arnold

Minutes later, after giving me her son’s number and him mine, Fox messaged me: “Hey Charlie this is Joshua fox my mom sent your information to me.”

From Slate ● Aug. 20, 2026

I keep mine in the trunk, under the floor where the spare tire would go.

From MarketWatch ● Aug. 20, 2026

"We cycled back to mine and realised it was just across the road... it's pretty mental."

From BBC ● Aug. 18, 2026

It’s been so cool and my fiancé, Chad Daniels, who is also a comedian, shot his Netflix special at the Fitzgerald Theater, the same place I shot mine.

From Los Angeles Times ● Aug. 18, 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

In the New York of my youth, the annual Israel Day parade was a great celebration, nearly always attended by a mayor, who stood in solidarity with Israel.

From The Wall Street Journal ● Aug. 20, 2026

"Or do I enjoy being more at home with my family? Seeing my friends more when you're not enjoying your sport?"

From BBC ● Aug. 20, 2026

A few days later, rifling through my wallet, I passed a small red-and-gold card decorated with lucky cats and a rising sun.

From Salon ● Aug. 20, 2026

In my weekly teaching visits to New York from Maryland, I choose—for now—to continue taking the subway, going to synagogue, eating at kosher restaurants.

From The Wall Street Journal ● Aug. 20, 2026

My neck and back are knotted, tense, my palms wet.

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

I think our parents dropped us off at practice thinking: Sweet!

From The Wall Street Journal ● Aug. 20, 2026

"Recent fossil discoveries and advances in evolutionary and genetic analysis make this an ideal time to reconsider whether our traditional taxonomy still accurately reflects human evolution," Dr. Towle said.

From Science Daily ● Aug. 20, 2026

In our call of the day, JPMorgan strategists weigh in with a warning not only that the move will not work but that it wasn’t needed in the first place.

From MarketWatch ● Aug. 20, 2026

“We all had coaches who made an incredible impact on our lives,” Matt said.

From Los Angeles Times ● Aug. 20, 2026

“Be our neighbor. Midnight and Belle would like it.”

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

"The stories he tells are about this land. The question is not whether we should claim Homer or not. His story is also ours," he said.

From Barron's ● Aug. 17, 2026

Someone who joined us in sharing our heartbreak on social media when Kobe Bryant died in 2020, calling him “a friend and a fan of ours, full of life and taken from us too soon.”

From Los Angeles Times ● Aug. 12, 2026

The bakery said: "Every shop that reopens means jobs restored, a unit back in use and footfall returning to the high street, which we believe serves everyone's interests: ours, theirs and the wider local economy's."

From BBC ● Aug. 12, 2026

As much as we might wish otherwise, Kylie Jenner and Taylor Swift are not like us, and we cannot measure their autonomy and power on the same scale as ours.

From Slate ● Aug. 5, 2026

Mrs. Tilbury’s cleaning the table next to ours.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

Related Words

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