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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

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

Seven & i announced a series of measures in March 2025 to boost shareholder value as it sought to fend off Alimentation Couche-Tard’s $47 billion takeover bid.

From The Wall Street Journal ● Oct. 8, 2026

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

From BBC ● Oct. 7, 2026

I text Libby just as my cell phone is powering itself down—“stall, do whatever u need 2 do 2 stall, i got a callback”—but who knows if it goes through.

From "Better Nate Than Ever" by Tim Federle

As a woman in her 50s living in youth-obsessed Los Angeles, I was well aware of my age.

From Los Angeles Times ● Oct. 23, 2026

As age acceptance pulsed through me, I made my decision: I would go with the meniscus-only option.

From Los Angeles Times ● 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

I was surprised by his meniscus-only recommendation, especially because the other three surgeons had breezily recommended the full reconstruction.

From Los Angeles Times ● Oct. 23, 2026

I don’t know what our pact is, but Ma includes me in ways Father never does.

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

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

The prefix i- or y- is equivalent to the A.-S. or German ge, and usually denotes the past participle.

From Six Centuries of English Poetry Tennyson to Chaucer by James Baldwin

Here she soon after met with her death;-292--vol i- and Verney and Foster, who appear to have been alone in the house with her, gave out that it happened by an accidental fall down stairs.

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

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

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

“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

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

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

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

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

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

The medieval Cloth Hall and St. Martin’s Church were two of the most prominent monuments in Ypres, Belgium, and among World War I’s early casualties.

From The Wall Street Journal ● Jul. 15, 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

In a statement read to the public inquiry examining how Letby was able to attack babies, Child I's mother said: "I believe the doctors and nursing staff should have acted earlier."

From BBC ● Sep. 19, 2024

Was it all the I’s that did it or the mental picture that streaked cometlike across the unfocused lens of her mind?

From "The Great Gilly Hopkins" by Katherine Paterson

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

From Los Angeles Times ● Oct. 23, 2026

Is he living solely off his Social Security?

From MarketWatch ● Oct. 22, 2026

Dench is releasing her memoir Is It Too Late to Make a Run for It? written with fellow actor Brendan O'Hea at the end of October in the UK.

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

“What are you doing here? Is everything okay?”

From "Glitch" by Laura Martin

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

"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

The deputy chief told Boyd that Spivey’s body was towed “to make sure that every i’s dotted, t’s crossed to clear you.”

From The Wall Street Journal ● Dec. 21, 2025

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

The team is exploring ways to reduce those requirements, including the use of artificial intelligence.

From Science Daily ● Oct. 23, 2026

Understanding how this signaling network is organized could eventually change how certain neurological and mental health conditions are treated.

From Science Daily ● Oct. 23, 2026

Jin, a former graduate student in Galli's group, is now a postdoctoral scholar at the Flatiron Institute in New York.

From Science Daily ● Oct. 23, 2026

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

According to the rules they establish, Joey is allowed to travel to Texas—and only Texas.

From "At Last She Stood" by Erin Entrada Kelly

"If we shine a light on just one, only that muscle moves. If shining on both, they both flap."

From Science Daily ● Oct. 23, 2026

For that, we turn this column over to Pat Murphy, the Brewers’ manager.

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

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

From Science Daily ● Oct. 23, 2026

“May we go inside?” she asks innocently, as if she’s a child ready for a big adventure.

From "At Last She Stood" by Erin Entrada Kelly

“About fifty people came and talked to me, and bought copies ‘In the Country of Women,’ my memoir published by Catapult, and ‘Sacrament,’ my latest novel, published by Counterpoint.

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

And it’s like, “Well, we weren’t. You let me go. You literally forced my hand. Now I played that hand, and you’re mad at me.”

From Los Angeles Times ● Oct. 23, 2026

A will of steel rose within me to get into the best possible shape.

From Los Angeles Times ● Oct. 23, 2026

Like me, she’s watching the fluid dance between horse and rider.

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

“And frankly, over the years, because we crisscrossed with the Dodgers so much, more people know us in California than they would otherwise.”

From Los Angeles Times ● Oct. 23, 2026

"She meant everything to us and will be forever loved and missed deeply by her devoted family and friends. She was our rock," they added.

From BBC ● Oct. 23, 2026

“Management’s focus on the bottom line leaves us less confident in a speedy turnaround story.”

From The Wall Street Journal ● Oct. 23, 2026

Looking about us, all we see is miles of debris from hastily left sites.

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

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

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

The study suggests a possible extension case for the project that contemplates a 37-year mine life.

From The Wall Street Journal ● Oct. 21, 2026

A whimper rose from behind Lloyd’s pillow, and maybe mine.

From "The Teacher’s Funeral" by Richard Peck

I told him I was planning to be more like my spirited grandmother, who had never apologized for her age and lived to be 94.

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

As I drove back to my newly remediated home in the fire-ravaged Palisades, I considered how differently these two knee surgeries were.

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

I unwrap the packages, popping the red and yellow into my mouth.

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

"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

“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

"Our approach is to use the right infrastructure in the right place, drawing on a range of technologies including underground cables, wooden poles and our recently announced lower-profile monopoles."

From BBC ● Oct. 23, 2026

“This means we are on IBM M&A watch for the remainder of the year, as it’s the final bridge towards IBM reaching Street revenue forecasts in 2027, in our view,” they write.

From The Wall Street Journal ● Oct. 23, 2026

We were both wearing short-sleeved shirts, and our elbows touched.

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

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

The layout is identical to ours, and I soon find the room directly across.

From "The Last Cuentista" by Donna Barba Higuera

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Related Words

• he
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• sie
• they
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• zie

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