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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

Widdecombe "gave TV interview 20 minutes before she was killed", the i Paper writes.

From BBC ● Jul. 15, 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

"Britain set to break 50-year heat record" is the i Paper's top story, "smashing UK's June record from 1976".

From BBC ● Jun. 24, 2026

She later clarified on Instagram, “I never said i was making a rock album.”

From Los Angeles Times ● Jun. 1, 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

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

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

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

"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

Nostalgic memories of muddy Mississippi follow wherever I go.

From "At Last She Stood" by Erin Entrada Kelly

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

Letters and proclamations were at the same time dispersed by Ashton, in-212--vol i- which the name of Elizabeth was employed without scruple.

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

Of the higher gentry, however, there were considerable numbers who-157--vol i- either went and established themselves in the protestant cities of Germany, or passed away the time in travelling.

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

By others, the system of Luther was in the whole or-308--vol i- in part adopted.

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

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

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

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)

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

I’ve been a huge Robyn fan for most of my life — she’s kind of a north star for my sisters and I. It’s no secret that we love sad dance songs.

From Los Angeles Times ● Jun. 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

Jef I. Richards is a professor emeritus of advertising and public relations at Michigan State University’s College of Communication Arts and Sciences.

From The Wall Street Journal ● Apr. 15, 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

“Explanation will do for another time,” thought I. Still, when I reached my chamber, I felt a pang at the idea she should even temporarily misconstrue what she had seen.

From "Jane Eyre" by Charlotte Brontë

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

Pulvillus -i: soft, pad-like structures between tarsal claws: the cushions of short, stiff hair or other clothing on the underside of tarsal joints; rarely fleshy lobes: see arolium.

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

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

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

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

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

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

The only double letters are the twin I’s inside.

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

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 it time to talk about mandatory retirement ages?

From Slate ● Jul. 13, 2026

Is there a smart way to manage an irregular income without feeling like every financial decision is a gamble?

From MarketWatch ● Jul. 13, 2026

Is Zverev now in the A squad, or is he the B squad leader, taking advantage of Alcaraz’s absence?

From The Wall Street Journal ● Jul. 12, 2026

“Remember, Chip, she was the only one from the witnesses list who seemed kind of, I don’t know, regretful about hanging up on us. Is regretful a word?”

From "Found" by Margaret Peterson Haddix

“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

“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

CPAs, those folks who can add columns of 9s in their heads, have been advising MDs since the 1980s to dot their i’s, cross their t’s, and never accept IOUs.

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

See more: What IBM’s profit warning means: Hardware is ‘eating everyone’s lunch’

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

An Energy Department statement to MarketWatch on Wednesday indicated that the industry assertion of a “minimum operating level” of 250 million barrels is incorrect.

From MarketWatch ● Jul. 15, 2026

“War Craft” is an uneasy and vivid blend of daydream and nightmarish reality.

From The Wall Street Journal ● Jul. 15, 2026

By eleven o’clock that morning, the school is deserted except for the Jesuit professors.

From "At Last She Stood" by Erin Entrada Kelly

“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

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

"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

"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

“Can we reschedule this debate? It is my birthday, after all,” I point out.

From "Split the Sky" by Marie Arnold

“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

"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

Sometimes Caesar, after roping Midnight’s saddle with water jugs and cooking supplies, will walk with me.

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

Quijada and Robinson invite us into the process of making their musical, constructing the show’s soundscape and musical score in real time by recording musical phrases into a looping station and layering in sound.

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

The first clip is of some guy, a few years older than us, running away from an officer.

From "Split the Sky" by Marie Arnold

The blaze, which killed 28 people, comes shortly after similar incidents at a coal mine and another at a fireworks factory.

From The Wall Street Journal ● Jul. 14, 2026

Announcing its decision to close the Venetia mine, De Beers said it needed to cut costs and streamline operations given the depressed state of the world diamond market.

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

In the dark I felt Betsie’s hands clasp mine.

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

Breathing quick, I leap up, lay my head against Belle’s hide.

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

After our 90-minute, $60 tour, Martin sold lobsters to go for $12.50 a piece, regardless of weight—a bargain.

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

"The other factor is the US economy is strong... they need our exports and you're seeing US businesses increasingly increase their orders for our Canadian exports."

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

He squints, scanning the slow-trotting horsemen, bow-legged ranchers, and farmers’ families shopping in our small town.

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

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

Last week, at an event in Washington, House Speaker Mike Johnson reminded the audience of one of John Quincy Adams’ favorite lines: “Duty is ours; results are God’s.”

From Salon ● Jul. 10, 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

Sam, I noted, never took his eyes off ours, which was unfortunate since it was by far the sloppiest of the lot.

From "Glitch" by Laura Martin

Related Words

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