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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
Synonyms

i

1 American  
Mathematics.
  1. Also called imaginary unit.  the imaginary number .

  2. a unit vector on the x -axis of a coordinate system.


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.


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.


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.


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.


i- 6 American  
  1. variant of y-.


i. 7 American  

abbreviation

  1. imperator.

  2. incisor.

  3. interest.

  4. intransitive.

  5. island.

  6. isle; isles.


-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.


I. 9 American  

abbreviation

  1. Independent.

  2. Island; Islands.

  3. Isle; Isles.


I 1 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation

  1. Italy (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
-i 2 British  

suffix

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

    Iraqi

    Bangladeshi

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-i- 3 British  
  1. used between elements in a compound word Compare -o-

    cuneiform

    coniferous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i 4 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

    1. something shaped like an I

    2. ( in combination )

      an I-beam

  3. to pay meticulous attention to detail

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

I. 5 British  

abbreviation

  1. International

  2. Island or Isle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

I 6 British  
/ aɪ /

pronoun

  1. (subjective) refers to the speaker or writer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i 7 British  

symbol

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i Scientific  
/ ī /
  1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.


i Idioms  

Grammar

See me.

Other Word Forms

Noun Inflected Forms

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The deal, if successful, would be the largest-ever acquisition for the owner of Circle K, which abandoned a $47 billion takeover attempt of Seven & i, the Japanese owner of 7-Eleven, last July.

From The Wall Street Journal Jul. 31, 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

The i Paper says the new Chancellor John Healey has given a commitment that pensioners whose only earnings are the state pension will not pay income tax.

From BBC Jul. 23, 2026

A number of the papers went to print before the result of the World Cup final was known, but the i Paper captures Spain's 1-0 extra-time win with the headline "Viva España!"

From BBC Jul. 20, 2026

I am nearly sixteen when i look around the store and realize that it has barely changed in all the time I’ve been here.

From "Orphan Train" by Christina Baker Kline

“Solidarity is one of the most important ways to tell someone: I am here. That’s why we invite you to help, together.”

From Los Angeles Times Aug. 11, 2026

"I was looking at the screen and I saw the guy try and surge. But he ran a PB, so he's messed up with the final ahead."

From BBC Aug. 11, 2026

"Since yesterday, I got here and I haven't left. Until they give me the body, I'm not leaving this place," Gonzalez tells AFP.

From Barron's Aug. 11, 2026

In 2020, I calculated that repealing the firewall would lead to $2.2 trillion in higher subsidy spending over a decade for the estimated 24 million people who would switch from employer coverage to the exchanges.

From The Wall Street Journal Aug. 11, 2026

“Someday I hope you will come to our lovely country,” 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

I was appointed to succeed him in his office; and the work which he had so happily begun, without my assistance indeed, but not without some counsels of-94--vol i- mine, I diligently labored to complete.

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

Yea a ruffian will have more in his ruff and his hose than he should-283--vol i- spend in a year.

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

Vol. ii. pt. i., by L. Nix and W. Schmidt, contains the Mechanics in Arabic, Greek fragments of the same, the Catoptrica in Latin with appendices of extracts from Olympiodorus, Vitruvius, Pliny, &c.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 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

Pearl diving has all but disappeared, particularly after the mass production of cultured pearls on farms after World War I. In Gulf countries, the extinction of this profession converges with a familiar story.

From The Wall Street Journal Aug. 6, 2026

The violin in Baerwald’s hands was the one his German-Jewish grandfather played as a Japanese prisoner of war in the Bandō camp at Tokushima during World War I. “It’s a very serviceable violin,” Baerwald notes.

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

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

“Oh!” said I. “Yes. Shall we follow you?”

From "Great Expectations" by Charles Dickens

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

Nouns ending in -a, -e, -i, -y, -o, -l, -n, -t, -ar, -ur, -ŭs are Neuter.

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

Flocculus -i: a hairy or bristly appendage on the posterior coxa of some Hymenoptera.

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

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

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

Queen Elizabeth I’s elaborate mask-like daily makeup ritual not only hid her smallpox scars but was also meant to project a preternatural agelessness.

From Los Angeles Times Mar. 24, 2024

“Now don’t you mess with me this morning,” Elisha said, “because you ain’t got so holy I can’t turn you over my knee. I’s your big brother in the Lord—you just remember that.”

From "Go Tell It on the Mountain" by James Baldwin

Don’t miss: ‘I want to meet someone rich. Is that so wrong?’

From MarketWatch Aug. 11, 2026

"Is he simply going to ramp up the name of Liverpool in order to make as much money as possible?"

From BBC Aug. 11, 2026

Only three Ramones songs ever made it to the Billboard Hot 100 — “Rockaway Beach,” “Sheena Is A Punk Rocker,” and “Do You Wanna Dance,” all absolute bangers that should be enshrined in the culture.

From Salon Aug. 10, 2026

Is there any character you see rising to the task?

From Los Angeles Times Aug. 10, 2026

Is he trying to make me feel as though I imagined it?

From "The Brightwood Code" by Monica Hesse

"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

Sometimes, he says, “dotting i’s and crossing t’s has to come second to right and wrong.”

From The Wall Street Journal Oct. 16, 2025

“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

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

“We will actually have so much more information once the tumor is removed and they test it and then we can actually create a plan of next steps,” Pitt said on the podcast.

From Los Angeles Times Aug. 11, 2026

“And that’s ultimately what camp is about. Being away, sharing a hotel with everybody, being in an outside area. It helps quite a bit.”

From Los Angeles Times Aug. 11, 2026

“California is sending a powerful message that there is no place for paraquat in modern agriculture,” said Bernadette Del Chiaro, senior vice president of the nonprofit Environmental Working Group, which sponsored Friedman’s legislation.

From Los Angeles Times Aug. 11, 2026

“Bachelorette” alum Joe Amabile is home following brain surgery.

From Los Angeles Times Aug. 11, 2026

One of the first things she writes is an essay about what it means to live in a small, confined community where you interact with the same people every day of your life for years.

From "At Last She Stood" by Erin Entrada Kelly

“Solidarity is one of the most important ways to tell someone: I am here. That’s why we invite you to help, together.”

From Los Angeles Times Aug. 11, 2026

Using official listings data from Festivals Edinburgh we analysed the median lowest publicly advertised full price ticket from 2016 to 2026.

From BBC Aug. 11, 2026

"This is part of our separation from Meta; we must take this step to comply with regulatory requirements in specific parts of the world," the firm said in a statement posted to its website.

From Barron's Aug. 11, 2026

“Customer demand is accelerating as enterprise adoption broadens and we continue to deepen our technology platform.”

From MarketWatch Aug. 11, 2026

Father leaps into the wagon, and together we pull Caesar up.

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

"You feel anguish. Every time there is an alert about someone being alive, hope is reborn that we will find him," Gallego tells me emotionally.

From BBC Aug. 11, 2026

"Since yesterday, I got here and I haven't left. Until they give me the body, I'm not leaving this place," Gonzalez tells AFP.

From Barron's Aug. 11, 2026

You might drop this paper with an “ick” if you knew how many readers proved my point by shrieking “denier” at me.

From The Wall Street Journal Aug. 11, 2026

In the meantime, Aria Krylova, who’s worked at Anima Mundi for several years, put out the store’s top cooling agents for me to try.

From Los Angeles Times Aug. 11, 2026

A deep, roaring wail bursts out of me.

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

Fabi Reyna: It hit us by the end of the first session.

From Los Angeles Times Aug. 11, 2026

Goalkeeper Lukas Hornicek said Newcastle want to "show the opponents that they will have a hard time against us", while defender Malick Thiaw has spoken about the intensity under Jaissle being "really high".

From BBC Aug. 11, 2026

The World Cup, Taylor Swift’s wedding and “The Odyssey” brought us together.

From The Wall Street Journal Aug. 11, 2026

Presidents rightly expect more security than the rest of us, but that typically comes with greater scrutiny of their locations and activities too.

From Slate Aug. 11, 2026

“Rue, you really got us tickets to the Houston Symphony to see the Jacqueline Mary du Pré tribute?”

From "Split the Sky" by Marie Arnold

So when I take mine at 70, she would get half of my $4,200, or $2,100, at 70.

From MarketWatch Aug. 10, 2026

To investigate, the team collected mine water from a flooded uranium mine in the Ore Mountains belonging to Wismut GmbH.

From Science Daily Aug. 9, 2026

"This son of mine has no father, no birth certificate and no national number," Amira, whose name has been changed to protect her identity, tells the BBC.

From BBC Aug. 7, 2026

Brooke Warner, publisher of She Writes Press and co-host of the Memoir Nation podcast, says this has put pressure on memoirists to push the envelope and find ever-more-shocking traumas to mine.

From The Wall Street Journal Aug. 5, 2026

My stomach twists when she says that, and her wide, almond-shaped, coffee-brown eyes, framed by her perfectly plucked eyebrows, bore into mine.

From "Red Flags and Butterflies" by Sheryl Azzam

“This is my journey, I’m telling it. This is what it is. You can take what you want away from it,” Amabile said on the podcast.

From Los Angeles Times Aug. 11, 2026

Reports in local media, such as one from Blu Pacífico radio, spoke of six survivors up until a few minutes before my arrival, including an infant only a few months old.

From BBC Aug. 11, 2026

"That's not my job. I cover the president. Reporters take risks as part of the job, but not on behalf of the president."

From Barron's Aug. 11, 2026

During our exchange, she noted that my views on academic freedom were also found among “faculty with libertarian leanings.”

From The Wall Street Journal Aug. 11, 2026

Father’s grateful that Caesar is my friend, too.

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

“For too long, our gender equity work has been siloed without a central entity responsible for coordinating and advancing this work,” Horvath said during the meeting.

From Los Angeles Times Aug. 11, 2026

"Costs across Edinburgh in August have risen significantly, particularly accommodation, and our festivals are actively grappling with those issues - albeit with no direct control over them," she explained.

From BBC Aug. 11, 2026

"As migrants, we've already been through some tough things back in our own country, and you never imagine something like this would happen on top of that," said the 28-year-old construction worker.

From Barron's Aug. 11, 2026

“Social Security is strengthening our disability programs and making the disability determination process better, faster and higher-quality to serve the American public,” Social Security Commissioner Frank Bisignano said in a statement.

From MarketWatch Aug. 11, 2026

On either side of the fire, we cocoon beneath our blankets.

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

Salzburg’s worries are our worries; its triumphs can be ours as well.

From Los Angeles Times Aug. 5, 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

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

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

Betsie always stood in the doorway of ours waiting for me; each evening it was as though a week had passed, there was so much to tell one another.

From "The Hiding Place" by Corrie ten Boom

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