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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

Headteachers have spoken to the i Paper over fears their schools will have to find money for a national 3.5% teacher pay rise, "despite claims it would be 'fully funded'".

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

In Friday’s interview, Seven & i also gave an update on its plan to list 7-Eleven Inc., a move aimed at unlocking shareholder value and streamlining its business structure.

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

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

From "Everything, Everything" by Nicola Yoon

I slid down that trail with my leg dragging behind me and injured my right knee.

From Los Angeles Times ● Oct. 23, 2026

I got back up unscathed and proceeded to surprise him with an on-air Valentine’s Day marriage proposal on “KTLA 5 Morning News.”

From Los Angeles Times ● Oct. 23, 2026

After my partner of 30 years’ shocking death, I went on my first date in decades.

From Los Angeles Times ● Oct. 23, 2026

A week later, I limped into Mandelbaum’s exam room.

From Los Angeles Times ● Oct. 23, 2026

I wish I’d known him as a boy.

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

Happy would it have been for England in more ages than one, had the sentiment of the following humble-124--vol i- stanza been indelibly inscribed on the hearts of children.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

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 Lucy Aikin

She answered-163--vol i- that she had little to say to him or to the rest that were in the Tower.

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

Combining the results from parts i. and ii., draw a rough sketch of f .

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

Lewin's Birds of New Holland, fasc. i. pl.

From Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson

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

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

In that way, I feel creatively redeemed on some level, just in my own journey between me, myself and I. But I feel ready to move on from the ‘Blade’ questions.

From Los Angeles Times ● Aug. 3, 2026

Also in 2025, she was a finalist for the Alfred I. duPont-Columbia University Awards for her reporting and hosting of an audio investigation into a deadly U.S. refinery explosion.

From The Wall Street Journal ● May 29, 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

“Nor did I. But then I was asked to recommend two girls. Do you not think you are ready for it?”

From "The Brightwood Code" by Monica Hesse

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

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

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

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

The suffix -i, added to a noun stem, forms generally a neuter verb.

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

Judges were unmoved that Luitpold’s forebears had brewed in the region since 1260, written the purity law and invented Oktoberfest for his great-great-grandfather King Ludwig I’s 1810 wedding.

From The Wall Street Journal ● Sep. 7, 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

“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

Tug said, “If I’s planned it jus’ right, the Tennessee toothpick’ll hit Tug right in that fat butt of hisn!”

From "The Journey of Little Charlie" by Christopher Paul Curtis

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

From Los Angeles Times ● Oct. 23, 2026

She watches reality TV with her kids; joining them, he offers, “I did my thesis on reality. Is this show about Platonic or Aristotelian ideas?”

From Los Angeles Times ● Oct. 22, 2026

MarketWatch: Is renting or buying the better move for a young person?

From MarketWatch ● Oct. 22, 2026

Speaking to the BBC afterwards, Raye said she'd "poured everything I had" into the record, which features the global hit song Where Is My Husband?

From BBC ● Oct. 22, 2026

“Ahem, yes, I suppose . . . but when is now? Is now the morning, or is it noon, or is it late at night? Do you see the complications?”

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

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

From Slate ● Oct. 3, 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

I care that you dot your i’s, you cross your t’s, that if you say you’re going to do something, you do it.

From The Wall Street Journal ● Mar. 12, 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

Deep within the brainstem is a tiny group of nerve cells that plays an outsized role in how the brain functions.

From Science Daily ● Oct. 23, 2026

Meanwhile, the scientists are expanding their approach to investigate spin defects in silicon, as well as materials used in energy technologies where internal conversion influences how energy is transferred or lost.

From Science Daily ● Oct. 23, 2026

Although the fundamental equations of quantum mechanics can describe the other two processes, calculating how energy is lost through atomic vibrations presents substantial computational obstacles.

From Science Daily ● Oct. 23, 2026

"The findings suggest the brain's norepinephrine system is far more like a targeted postal network than a foghorn," said Karel Svoboda, director of Neural Dynamics at the Allen Institute and study co-author.

From Science Daily ● Oct. 23, 2026

The highly contagious illness is caused by bacteria growing in the body, usually the lungs, and is spread through the air when people cough, sneeze, or spit.

From "At Last She Stood" by Erin Entrada Kelly

"Now that we know the cause, we can start developing therapeutics."

From Science Daily ● Oct. 23, 2026

Trick ankle aside, it’s love that we need to age gracefully.

From Los Angeles Times ● Oct. 23, 2026

"It is always a moment in the annual calendar where we support Stand Up To Cancer through Gogglebox," Burnham said of the recurring charity special.

From BBC ● Oct. 23, 2026

"And we wanted to optimize all these parameters to support live muscle cells."

From Science Daily ● Oct. 23, 2026

“So that’s Mom’s smile. It belongs to her. Now he’s handing it out to some chick we never met before?”

From "Split the Sky" by Marie Arnold

The guy I was crushing on helped me to my feet and became my college sweetheart.

From Los Angeles Times ● Oct. 23, 2026

"Sometimes it takes me longer to take a website down than to fix the PHP problem."

From BBC ● Oct. 23, 2026

“Today me, tomorrow you,” she’d said, wagging her crooked, arthritic finger in my face.

From Los Angeles Times ● Oct. 23, 2026

She’d turned to face me head-on, eyes widened in feigned shock, her right hand over her heart.

From Los Angeles Times ● Oct. 23, 2026

Surprised, the man, eyes cold, squints, stares like he can see inside me.

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

"The underwater location allows us to implement systematic, large-scale surveys," Seama explains.

From Science Daily ● Oct. 23, 2026

“Depending on which of us you ask, it is or isn’t a situationship.”

From Los Angeles Times ● Oct. 23, 2026

"We came up with some unforced handling errors on first. We weren't at such a high completion rate but our skill with the ball let us get away with that," Barrow added.

From BBC ● Oct. 23, 2026

We are informed quite often about what the show is not, initially by Margaret, a delightful little white-haired lady who talks us through the first episode.

From The Wall Street Journal ● Oct. 23, 2026

In order for the man in the red jacket to be okay, he needed to know that he could scare us.

From "Split the Sky" by Marie Arnold

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 partner Mitsubishi have formally approved construction of what promises to be the next major copper mine in the U.S., with production set to begin in the back half of 2029.

From The Wall Street Journal ● Oct. 22, 2026

These setbacks come a year after Codelco's largest mine, El Teniente, was forced to suspend part of its production for months following an accident that left six workers dead.

From Barron's ● Oct. 22, 2026

At last Betsie’s and mine were called: “Prisoner 66729, Prisoner 66730.”

From "The Hiding Place" by Corrie ten Boom

“Let’s have a party for my birthday,” I said.

From Los Angeles Times ● Oct. 23, 2026

“It’s my trick ankle,” I moaned, adding that I’d had this surgery before, after a snow skiing accident in my late 20s.

From Los Angeles Times ● Oct. 23, 2026

Her cartwheels, in the form of her singing and acting in Pali High musical productions, were now my cartwheels.

From Los Angeles Times ● Oct. 23, 2026

When we got back in the car, Drew was officially my fiancé.

From Los Angeles Times ● Oct. 23, 2026

“Thank you,” I sigh, my ear on Caesar’s chest, listening to his heart.

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

“In comparison to that study, our FDA trial reported a 52% reduction in symptoms, so more than a four-fold increase in efficacy,” Won said.

From Science Daily ● Oct. 23, 2026

“We’re excited to open our doors in Duarte and become part of this community,” said Allie Garcia, vice president of marketing at Vallarta Supermarkets.

From Los Angeles Times ● Oct. 23, 2026

The longer wavelength red and orange colours are not scattered as readily so pass through to our eyes.

From BBC ● Oct. 23, 2026

“In the Middle East, our business grew 13% sequentially despite late-quarter disruptions,” he said.

From The Wall Street Journal ● Oct. 23, 2026

“Perhaps you will be our fairy godmother,” she says.

From "At Last She Stood" by Erin Entrada Kelly

I see it in the faces of my grandchildren who have trouble reconciling the views of their generation with those of ours.

From The Wall Street Journal ● Oct. 22, 2026

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

It kept their spirits up, and ours too, come to that, because it was so heartening to see the children enjoying themselves.

From "An Elephant in the Garden" by Michael Morpurgo

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Related Words

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

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