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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

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

“There is a certain pride in being a Californian, certainly not held by everybody ... but i would think that the mainstream would be defending the state.”

From Los Angeles Times ● Oct. 6, 2026

You cannot touch i no matter how hard you might try.

From "The Name of the Wind" by Patrick Rothfuss

"I get a runner's high after games. I think that's part of the oxygen depletion, maybe."

From Barron's ● Oct. 23, 2026

“I might have them read a draft of a long email I wrote or ask them after a meeting if I kept things simple and clear.”

From MarketWatch ● Oct. 23, 2026

“That’s when I found that there were other women that had started even though they were still nursing,” she says.

From The Wall Street Journal ● Oct. 23, 2026

"I have nowhere to stay. I sleep in rubbish dumps. That is why I did it," he reportedly told a court.

From Barron's ● Oct. 23, 2026

“No, do as I say,” Father says roughly.

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

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

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

For the face I grant I might well blush to offer,-104--vol i- but the mind I shall never be ashamed to present.

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

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

Grote, Hist. of Greece, pt. i. ch. xviii.;

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" by Various

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

Jonathan I. Shenkman is president and chief investment officer of ParkBridge Wealth Management.

From The Wall Street Journal ● Oct. 4, 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

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

As soldiers, Jews had fought for Germany during World War I. Many were decorated for bravery.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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

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

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

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

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

He said, “Thank you, ma’am, I’s thinking the same thing. This just gunn be a disturbing that she don’t need right now.”

From "Elijah of Buxton" by Christopher Paul Curtis

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

From Los Angeles Times ● Oct. 23, 2026

Is there insurance for it, like there is for my actual ring?

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

Is it possible that an under-the-radar composite materials company in St. Louis has cracked the code for running a family business sustainably while putting its workers’ well-being first?

From The Wall Street Journal ● Oct. 22, 2026

“It sounds like large water drops falling from a melting icicle and hitting a puddle. Is the poor old thing melting, too?”

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

"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

"Your proposal does not adequately acknowledge the multiple and significant challenges such a transaction would face from US competition law enforcement agencies," Seven & i's letter added.

From BBC ● Sep. 5, 2024

I recognized your tiny handwriting right away, all wobbly and with those weird loops you put on top of your t's and i's.

From "When You Reach Me" by Rebecca Stead

"Due to adverse weather conditions and poor visibility, an aerial rescue operation by helicopter is not possible," said the the Romanian Naval Authority.

From Barron's ● Oct. 23, 2026

Colombian deputy environment minister David Olarte Amaya, who is attending the summit, said the concerns about his country were exaggerated.

From Barron's ● Oct. 23, 2026

President Emmanuel Macron said "the nation is standing with" the victims of this "terrible ordeal".

From Barron's ● Oct. 23, 2026

But for the first time in 16 years, "Call of Duty" will be available on a Nintendo console: the Switch 2, which is more powerful than its predecessor.

From Barron's ● Oct. 23, 2026

Joey, who dreams of being a nun, is a good fit for the convent.

From "At Last She Stood" by Erin Entrada Kelly

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

“We have got good momentum, but to accelerate innovation and win over the next few years, we needed to become a more agile and efficient organization,” Squeri said in a conference call with analysts.

From The Wall Street Journal ● Oct. 23, 2026

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

From Science Daily ● Oct. 23, 2026

When we sat for dinner, speeches — or rather, roasts — broke out around the table, with our shared peals of laughter making the air ring with life and its sweetness.

From Los Angeles Times ● Oct. 23, 2026

Perhaps we can refuse to line up, Gertie thinks desperately.

From "At Last She Stood" by Erin Entrada Kelly

For a mid-November flight, I got an alert this week that it moved me to a better aisle seat in the extra legroom section.

From The Wall Street Journal ● Oct. 23, 2026

Although I had already consulted with three orthopedic surgeons, Drew, who married me despite my nosedive in the parking lot, wanted me to see Dr. Bert Mandelbaum at Cedars-Sinai.

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

Send me an email at [email protected] or reply to this email.

From The Wall Street Journal ● Oct. 23, 2026

“Caesar will find us,” Father answers me with a big smile.

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

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

“I want Milwaukee and Wisconsin to be known and to be heard because a lot of people overlook us and I just want us to have that recognition that we deserve.”

From The Wall Street Journal ● Oct. 23, 2026

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

From Science Daily ● Oct. 23, 2026

Here, Matt’s friends are bribed into blabbing about his past sins, although the script doesn’t bother to tell us what exactly he’s alleged to have done or whether it’s true.

From Los Angeles Times ● Oct. 23, 2026

Humans have always argued about what makes us human.

From "Phineas Gage" by John Fleischman

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

From MarketWatch ● 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

France has long produced tungsten in the southern region of Ariege, at the former Salau mine, which some would like to reopen.

From Barron's ● Oct. 21, 2026

“My job is to mine all that, to go to the sub-basement.”

From Los Angeles Times ● Oct. 21, 2026

Once Miss Genovese leaves, I feel the soft nudge of Helen’s sleeve against mine.

From "The Brightwood Code" by Monica Hesse

"It was abundantly clear that without my intervention, the possibility to bring humanitarian aid into the city and to evacuate the elderly would be impossible."

From Barron's ● Oct. 23, 2026

“I’ll ask for feedback from my colleagues,” he said.

From MarketWatch ● Oct. 23, 2026

“And I can remember looking over and seeing my mom sitting in the tunnel at Texas Stadium, reading a book,” he said.

From The Wall Street Journal ● Oct. 23, 2026

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

From Los Angeles Times ● Oct. 23, 2026

“Are there not three of you stranded in my country?” she continues.

From "At Last She Stood" by Erin Entrada Kelly

"However, in the short term, with severely challenged volumes, we need to reinforce our turnaround plan with additional decisive actions, lowering our break-even point and improving cash flows to make us more resilient."

From Barron's ● Oct. 23, 2026

Financial news is often front and center, especially as AI-driven tech giants — and their volatile stock swings — affect our daily lives.

From MarketWatch ● Oct. 23, 2026

“The data in our sport is stark,” MLB commissioner Rob Manfred said this summer.

From The Wall Street Journal ● Oct. 23, 2026

"We are working on ways to integrate machine learning into excited states calculations to further improve the efficiency of our method," Villani said.

From Science Daily ● Oct. 23, 2026

“That’s just it—her path might be with our club,” Rue says.

From "Split the Sky" by Marie Arnold

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

Ms. Smialek interweaves Edgeworth’s story with economic debates of her time, which remain debates in ours.

From The Wall Street Journal ● Oct. 13, 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

Having Flopears on the opposing team made up for having to have Charlie on ours.

From "The Teacher’s Funeral" by Richard Peck

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Related Words

• he
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