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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  

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

   cuneiform

   coniferous

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I. ⁴ British  

abbreviation

1. International

2. Island or Isle

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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  

symbol

1. Also called: j. the imaginary number √–1

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-i ⁷ British  

suffix

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

   Iraqi

   Bangladeshi

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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

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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

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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

A landmark report proposing to create career plans for 14-year-olds and above to help them with their future employment, is the lead of the i Paper.

From BBC ● Oct. 22, 2026

“Dr. Williams has always maintained that he was acting i self-defense,” Libman wrote in an email.

From Los Angeles Times ● Oct. 9, 2026

A listing could pave the way for Seven & i to secure a higher valuation, closing the stock-price gap that made it an attractive target for foreign takeovers.

From The Wall Street Journal ● Oct. 9, 2026

The i says a "blunder over funding teacher pay rises" means school budgets are "set for squeeze".

From BBC ● Oct. 7, 2026

Simon texts me before i even get to my car.

From "Leah on the Offbeat" by Becky Albertalli

"I am here. With you," Machado wrote on X on Sunday.

From BBC ● Oct. 25, 2026

My husband and I have lived in the same house for 23 years.

From MarketWatch ● Oct. 25, 2026

“I didn’t invent temporary sales,” Marver told the Seattle Times in October 2022, “but I feel like I invented temporary Halloween.”

From The Wall Street Journal ● Oct. 25, 2026

For what it’s worth, I don’t think there’s any such thing as a spoiler for “You Can See Everything.”

From Salon ● Oct. 25, 2026

“Most people think I have died because I have tried very hard to efface the past,” she writes.

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

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

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 Lucy Aikin

And she would frequently assure them that she would take a particular care of their affairs, and she would-277--vol i- ever be as good as her word.

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

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

Hist. of Latin Christianity, vol. i. pp. 314-318.

From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by William Edward Hartpole Lecky

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 R. G. (Robert Gordon) Latham

“Most of it comes out of the ground with the consistency of cold peanut butter,” observes economist David I. Levine of UC Berkeley.

From Los Angeles Times ● Oct. 6, 2026

He told me he is not seeing other people, and neither am I. Every year he goes to Mexico for six months.

From MarketWatch ● Sep. 19, 2026

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

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

In most words of this class the final -i of the stem is lost in the Nominative Singular; in others it appears as -e.

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

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

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

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

World War I’s Eastern Front has never attracted the same attention as its western counterpart.

From The Wall Street Journal ● Sep. 29, 2026

Caleb said he was told the Llantrisant Mace was older than most of the Crown Jewels and survived Oliver Cromwell trying to melt down any remaining precious metal bearing Charles I's crest.

From BBC ● Jun. 18, 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

I's the one what set him to dusting.

From "How It Went Down" by Kekla Magoon

Listen to the TMS podcast: Is this the end for Jimmy Anderson?

From BBC ● Oct. 25, 2026

Is Plaschke part of the medical staff of the Dodgers so he knows the root causes of Ohtani’s injuries this year, or what it might take this offseason to fix them?

From Los Angeles Times ● Oct. 24, 2026

Is it possible to do something similar now that I am retired?

From MarketWatch ● Oct. 23, 2026

Is it just me or is everyone suddenly talking about their low ferritin levels?

From The Wall Street Journal ● Oct. 23, 2026

“This sounds like something only you would plan. I’d like to document this for my channel. Is that okay?”

From "Bye Forever, I Guess" by Jodi Meadows

Now, there are still some t’s to cross and i’s to dot.

From Slate ● Oct. 3, 2026

"If I'm making a decision that is highly likely to be in legal challenge, I want to make sure I've dotted my i's and crossed my t's," she added.

From BBC ● Sep. 11, 2026

“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

She wrote in big curling script, and she dotted her letter i’s with stars.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

“You’ve gotta stop it with that! You are not being a real person! Come on man, that is crazy!”

From Salon ● Oct. 25, 2026

Meghan was born in 1981 and is the only daughter of Markle and Ragland.

From BBC ● Oct. 25, 2026

The cooling of this friendship is more complicated.

From MarketWatch ● Oct. 25, 2026

They note that most of the nation’s wealth is concentrated among small-business owners.

From The Wall Street Journal ● Oct. 25, 2026

She says she will find a way to travel to New Orleans for communion if she must, but she is not going to endure mistreatment anymore, even from a priest.

From "At Last She Stood" by Erin Entrada Kelly

"The situation is where we are and we haven't had results or performances that have been good enough."

From BBC ● Oct. 25, 2026

We watched their dog when they traveled, and they collected our mail when we were away.

From MarketWatch ● Oct. 25, 2026

“We were invited by the president of the United States. Of course, that’s an invitation that we respect,” he said.

From The Wall Street Journal ● Oct. 25, 2026

In that relatively short time, we come to understand many things about Holmes and Evans.

From Salon ● Oct. 25, 2026

“At the time we did not realize we owed our lives to this one little Filipina girl.”

From "At Last She Stood" by Erin Entrada Kelly

For me, it was the trip of a lifetime.

From The Wall Street Journal ● Oct. 25, 2026

"It wasn't a farewell from me," he added.

From BBC ● Oct. 25, 2026

More than once, I found myself studying photographs of grocery shelves, circling the very products I’d requested and sending the images back to my shopper, who would politely assure me that they weren’t available.

From Salon ● Oct. 25, 2026

"I didn't have my phone with me, and I didn't know what was happening."

From Barron's ● Oct. 25, 2026

The plains ahead of me are dusty, windswept as if a small tornado barreled through.

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

At one point they joked that having us next door was better than a maintenance contract.

From MarketWatch ● Oct. 25, 2026

Those are different jobs, performed on different platforms, and neither figure tells us which workers are more likely to mistake parsley for cilantro.

From Salon ● Oct. 25, 2026

Euripides’ Medea enthralls and horrifies, although the play tells us little about her.

From The Wall Street Journal ● Oct. 25, 2026

"Being the third wheel in this system makes us want to call it a moon, even if it is nothing like the small, rocky moons we have in our system."

From Science Daily ● Oct. 25, 2026

Humans have always argued about what makes us human.

From "Phineas Gage" by John Fleischman

"It was no mistake of mine to call it Riverdance because it connected absolutely to Timedance," Whelan told author Leagues O'Toole in his 2006 book The Humours of Planxty.

From BBC ● Oct. 23, 2026

I’ve seen it happen to friends of mine, where there is a separation because the people that we turned into are now no longer compatible.

From Los Angeles Times ● Oct. 23, 2026

Dad told me more than once that the house would be mine someday.

From MarketWatch ● Oct. 23, 2026

Hudbay Minerals and Mitsubishi approved construction of a major copper mine in the U.S.

From The Wall Street Journal ● Oct. 22, 2026

As we filed past, Betsie and I drew two beautiful soft new ones; mine was white with blue stripes, Betsie’s white with red stripes—obviously the property of some well-to-do family.

From "The Hiding Place" by Corrie ten Boom

In a statement shared on Friday, Meghan confirmed the existence of the letter and wrote: "I am deeply distressed... my thoughts are with any children who may have been harmed."

From BBC ● Oct. 25, 2026

They’d ask if my husband would fix something himself rather than hire someone.

From MarketWatch ● Oct. 25, 2026

Instead, my shopper sent me a photograph of vanilla wafers, without comment, and marked the breadcrumbs as unavailable.

From Salon ● Oct. 25, 2026

I had my best shot of the week on the fifth hole, missing a hole-in-one by 6 inches.

From The Wall Street Journal ● Oct. 25, 2026

A man wearing suspenders and a brown bowler stoops, shoving thick cloth into my hand.

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

We watched their dog when they traveled, and they collected our mail when we were away.

From MarketWatch ● Oct. 25, 2026

See the best car insurance companies based on our analysis of costs, coverage features and more.

From The Wall Street Journal ● Oct. 25, 2026

Refusing to stop at investigating her characters alone, she’s interested in humanity as a whole, and where those roles fit into how our species operates.

From Salon ● Oct. 25, 2026

It marked a "turning point in the life of our Republic and our nation", the French president said.

From BBC ● Oct. 25, 2026

It explains what happened to our knowledge of the brain as a result.

From "Phineas Gage" by John Fleischman

The shame in this story was never his, and it was never ours.

From Salon ● Oct. 22, 2026

"That future is ours to build. Let us build," he said.

From Barron's ● Oct. 16, 2026

I tracked down two New Jersey record stores whose sites said they’d purchase all types of albums, so we carted ours to them.

From MarketWatch ● Oct. 8, 2026

“And because nearly 2,000 people are still inside who have not died, and whose lives are still ours to fight for.”

From Los Angeles Times ● Oct. 8, 2026

I still trusted in our road through time, and in its mysterious way of joining up all the different universes within this crazy world of ours.

From "Flying Through Water" by Mamle Wolo

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Related Words

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

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