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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

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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

The i Paper also leads with the spy chief's speech, quoting him as saying threats from foreign adversaries have quadrupled in a decade.

From BBC ● Oct. 14, 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

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

From Los Angeles Times ● Oct. 9, 2026

Olly: i don't know what you're talking about Madeline: Your dad, Olly.

From "Everything, Everything" by Nicola Yoon

I’m confused and hurt about the friendship, even though I know what happened.

From MarketWatch ● Oct. 25, 2026

“All the terminals were filled with people coming in, and I hear of people coming from all over the world,” she said.

From The Wall Street Journal ● Oct. 25, 2026

Assuming that would be the case, I sought out the film’s “twist” in an early review, wanting to confirm if my suspicions about Seyfried’s involvement were true.

From Salon ● Oct. 25, 2026

Her ally, former presidential candidate Edmundo González Urrutia, confirmed the news minutes later, writing: "I am thrilled to announce to you that our leader, my dear María Corina, is on Venezuelan soil."

From BBC ● Oct. 25, 2026

Father and the gunman glance at each other, communicating some meaning I don’t catch.

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

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

From the new sovereign substantial benefits as well as flattering distinctions awaited him, being reinstated-266--vol i- by her in the possession of his confiscated estates and appointed a privy-councillor.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

In furtherance of the design, several of her gentlemen had already taken their departure for that city, and Flemish light vessels were observed to keep watch on the English-112--vol i- coast.

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

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

Sir Walter Raleigh's History of the World, part i, book i. p. 67., edit.

From Notes and Queries, Vol. IV, Number 113, December 27, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. 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

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

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

Even a retreat that flops can draw employees closer while they commiserate over its lameness, adds Michael I. Norton, a Harvard Business School professor who has studied group rituals.

From The Wall Street Journal ● Jul. 23, 2026

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

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

“But you adore lunch, as do I. It’s one of the things we have in common.”

From "The Very, Very Far North" by Dan Bar-el

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 Walter John Clark

The suffix of manner defining the verb, is formed by adding the adjective with the final syllable changed to -i.

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

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

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

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

From BBC ● Sep. 19, 2024

The WNBA’s No. 1 overall draft pick and Division I’s career scoring leader revved up a raucous Indiana Pacers crowd by pumping the accelerator of a replica IndyCar before Game 3 against the Milwaukee Bucks.

From Seattle Times ● Apr. 26, 2024

“Mama hear me hollering and drop her load and run just as hard out at me. I feels like I’s swimming I’s looking through so many tears.”

From "Elijah of Buxton" by Christopher Paul Curtis

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

From BBC ● Oct. 25, 2026

Is it friendship, though, or a mutually useful rapport?

From Los Angeles Times ● Oct. 23, 2026

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

From MarketWatch ● Oct. 23, 2026

In “The Problem Is Industrialism,” Berry recalls phone calls and letters shared with several friends as he solidified his sense of modern industry as the root of today’s “inventory of popular calamities.”

From The Wall Street Journal ● Oct. 23, 2026

“I’m so sorry. Is there anything I can do?”

From "The Red Car to Hollywood" by Jennie Liu

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

He tries it in various styles, his hand unaccustomed to the angles of the N, the dotting of the two i’s.

From "The Namesake" by Jhumpa Lahiri

“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

The force is now reviewing its handling of the matter.

From BBC ● Oct. 25, 2026

The second kind is a transactional friendship, like the one a reader experienced at his golf club with an adviser who was always scouting for clients.

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

Somewhere in a village nestled in the lush land of Lucban—a town in the Philippine Islands—a little girl is playing make-believe.

From "At Last She Stood" by Erin Entrada Kelly

"The Query Club was this organisation which was Bevan and his comrades asking 'how do we actually achieve change here in Tredegar? How do we try to influence things?'," said Dr Nye Davies.

From BBC ● Oct. 25, 2026

We had different priorities and used to joke about it: they liked going on cruises, and we had never been on one.

From MarketWatch ● Oct. 25, 2026

“There is tremendous interest in what we are building and we have been approached many, many times by potential investors,” Lacob wrote.

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

With the crop in, we work building a cabin.

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

He started by hiring three accomplished women sports executives sports executives who hadn’t yet worked in top roles—and they’re now “making me look good,” Lacob said.

From The Wall Street Journal ● Oct. 25, 2026

"That says everything to me," former Premier League winner Clinton Morrison said.

From BBC ● Oct. 25, 2026

Shoppers, often from profiles with traditionally male names, would inform me that a supermarket had apparently run out of tomatoes in every conceivable form.

From Salon ● Oct. 25, 2026

"The candidates' foreign policy orientation is of great importance to me," said retired teacher Georgi Lyubenov, 77, without saying which direction he would like the country to go in.

From Barron's ● Oct. 25, 2026

“It’s a Colt Frontier. An ex-Union officer gave it to me and taught me how to use it.”

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

They weren’t necessarily wealthier than us in the way I’d assumed; they just looked like they had more.

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

On this trip, many of us played with hickory-shafted clubs, the equipment used before the steel shaft was introduced in the 1920s.

From The Wall Street Journal ● Oct. 25, 2026

"It raises the possibility that genetics could one day help us identify who may benefit from a preventive treatment, rather than taking a one-size-fits-all approach."

From Science Daily ● Oct. 25, 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

"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

Romania is looking into "accelerated development of maritime surveillance capabilities, mine countermeasures and effective countermeasures against drones that intrude unauthorised into national airspace and territorial waters", the presidency said.

From Barron's ● 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

He unzips his hoodie and places it around me before he slides in next to me, his thigh warm against mine.

From "Red Flags and Butterflies" by Sheryl Azzam

"I used to go out walking with my uncle when he was in his 80s and 90s," he explained.

From BBC ● Oct. 25, 2026

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

From MarketWatch ● Oct. 25, 2026

Assuming that would be the case, I sought out the film’s “twist” in an early review, wanting to confirm if my suspicions about Seyfried’s involvement were true.

From Salon ● Oct. 25, 2026

Today, its leadership must earn my confidence in the values that matter most: safety, competence and meritocracy.

From The Wall Street Journal ● Oct. 25, 2026

I tug my lower lip to keep from smiling.

From "Split the Sky" by Marie Arnold

Don’t miss: We were friendly with our neighbors for decades, until recently.

From MarketWatch ● Oct. 25, 2026

“We have NO interest. We are having too much fun and building something great for our fans.”

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

Her ally, former presidential candidate Edmundo González Urrutia, confirmed the news minutes later, writing: "I am thrilled to announce to you that our leader, my dear María Corina, is on Venezuelan soil."

From BBC ● Oct. 25, 2026

“My pa was right. This was our journey to make.”

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

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

From Salon ● Oct. 22, 2026

He said he assumed I’d be fine with it since the money was still ours.

From MarketWatch ● Oct. 21, 2026

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

From Barron's ● Oct. 16, 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

Her kitchen reminded me of ours last night before I’d washed a mountain of dinner dishes.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

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Related Words

• he
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• sie
• they
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• xe
• you
• ze
• zie

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