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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

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

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

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

From Los Angeles Times ● Oct. 9, 2026

D i s co m f It/d I s co m Fo RT.

From "Woe Is I" by Patricia T. O'Conner

But I don’t want to be 75 and regret that we gave it up too soon.

From MarketWatch ● Oct. 24, 2026

While “All I Want for Christmas Is You” came out in 1994, it didn’t hit No. 1 until 2019.

From The Wall Street Journal ● Oct. 24, 2026

“I made the play. I was waiting for it.”

From Los Angeles Times ● Oct. 24, 2026

“That’s the part that I think has not been super transparent about the whole process,” she said.

From Salon ● Oct. 24, 2026

Her—it’s a pact I understand: Don’t upset Ma.

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

From this period the cause of popery proceeded-183--vol i- triumphantly: a reign of terror commenced; and the government gained fresh strength and courage by every exertion of the tyrannic power which it had assumed.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

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

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

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

Econom. i. 4-8-9.648.Plutarch enforces the duty at length, in his very beautiful work on marriage.

From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by William Edward Hartpole Lecky

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

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

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

So was I. Nigel had taken charge of him.

From "Secrets at Sea" by Richard Peck

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

I E -i formed abstracts and nouns of agency; I E ar go; Min ari, way, track, trail.

From The Dakotan Languages, and Their Relations to Other Languages by A. W. (Andrew Woods) Williamson

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

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

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

“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

She laughed and said, “That’s good. I’s kind of surprised your folks let you go to that meeting in the first place.”

From "Elijah of Buxton" by Christopher Paul Curtis

Is this normal, and does that kind of arrangement sound fair to you?

From MarketWatch ● Oct. 23, 2026

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

From Los Angeles Times ● Oct. 23, 2026

Widdicombe previously suggested the trio's roles would be fluid, telling The Rest Is Entertainment it was "going to be like total football... We're going to be moving everywhere".

From BBC ● Oct. 23, 2026

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

From MarketWatch ● Oct. 23, 2026

We just say and do normal “get ready” stuff, all the while asking ourselves, Is this for real?

From "Split the Sky" by Marie Arnold

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

From Slate ● Oct. 3, 2026

In one of our final negotiation sessions, when we’re supposed to be dotting i’s and crossing t’s, he worries aloud about how these two vastly different companies are going to mesh their different cultures.

From The Wall Street Journal ● Sep. 15, 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

I’ve won the writing prize twice, and I would have this week, too, but I decided to leave some i’s undotted.

From "In the Time of the Butterflies" by Julia Alvarez

A millennium-old philosophy debate about what makes someone or something conscious is getting a twist in the age of artificial intelligence.

From MarketWatch ● Oct. 24, 2026

“But we don’t really know what that category is because it hasn’t existed before,” she said.

From MarketWatch ● Oct. 24, 2026

How do we decide whether staying is worth what it costs?

From MarketWatch ● Oct. 24, 2026

When Warsh came into office in May, he installed a sea change in Fed communication that can best be summed up as “less is more.”

From MarketWatch ● Oct. 24, 2026

Joey’s little daughter, Cynthia, is only a toddler.

From "At Last She Stood" by Erin Entrada Kelly

Last spring, we dropped $18,000 on a sewer line.

From MarketWatch ● Oct. 24, 2026

“We have to be able to go back to the drawing board and figure out how we improve.”

From The Wall Street Journal ● Oct. 24, 2026

“But we don’t really know what that category is because it hasn’t existed before,” she said.

From MarketWatch ● Oct. 24, 2026

Our daughter said she’d be sad if we sold.

From MarketWatch ● Oct. 24, 2026

Today we are used to seeing the microscopic world, but when the microscope was invented in the middle of the seventeenth century, it caused a sensation.

From "Phineas Gage" by John Fleischman

Now she wants me to leave my home to her two children.

From MarketWatch ● Oct. 24, 2026

“I still remember the feeling of jumping up and down,” OpenAI chief research officer Mark Chen told me, “for things that we would laugh at now.”

From The Wall Street Journal ● Oct. 24, 2026

"They're trying to break me but, paradoxically or not, this campaign has reinforced my decision to enter politics precisely to put an end to this hate-filled rhetoric," she told AFP.

From Barron's ● Oct. 24, 2026

"Watching me in this castle must be like watching Sherlock at work."

From BBC ● Oct. 23, 2026

This is the first time Father’s asked me to keep a secret.

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

He slipped on the back steps last winter, and we both pretended it didn’t scare us, but he could have just as easily slipped on another stairwell.

From MarketWatch ● Oct. 24, 2026

Kyle Smith gives us his take on the parable starring Alexander Skarsgård and Olivia Colman set in a fairy-tale village.

From The Wall Street Journal ● Oct. 24, 2026

Regrettably, Wedgewood polling is no longer able to survey this for us.

From Slate ● Oct. 24, 2026

"It's a way for us to connect," he said.

From Barron's ● Oct. 24, 2026

A huge man on a motorcycle pulls alongside us, waiting for the light to turn green.

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

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

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

The commanding officer knocked on the door of our living quarters, Mae’s and mine, the morning after Brightwood, the morning after what happened.

From "The Brightwood Code" by Monica Hesse

But the pantry door has pencil marks on it, one for every kid every year, with the dates in my handwriting.

From MarketWatch ● Oct. 24, 2026

“Just trying to take deep breaths, pick my leg up and go home,” Ashby said.

From The Wall Street Journal ● Oct. 24, 2026

“I can’t tell you anything other than I’m looking at it and doing my due diligence,” she said.

From Los Angeles Times ● Oct. 24, 2026

"They're trying to break me but, paradoxically or not, this campaign has reinforced my decision to enter politics precisely to put an end to this hate-filled rhetoric," she told AFP.

From Barron's ● Oct. 24, 2026

“I wanted to go with my friends. Sukie’s son, Emery, was my best friend. Even picking cotton together, faint from heat, Emery made me laugh.”

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

Anthropic’s October Usage Policy Update included a section prohibiting “sustained and needless abusive or cruel behavior toward our models.”

From MarketWatch ● Oct. 24, 2026

“My late father bought our house for $250,000 in the 1990s.”

From The Wall Street Journal ● Oct. 24, 2026

“This is a five-alarm warning to every job and industry that relies on our sandy beaches and beautiful bluffs for its livelihood,” said U.S.

From Los Angeles Times ● Oct. 24, 2026

Gen. Dwight D. Eisenhower was not buff, at least to our knowledge.

From Salon ● Oct. 24, 2026

Obviously, our ideas about how the body works have changed.

From "Phineas Gage" by John Fleischman

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

It shows us that ours is the inheritance of great heroes, and that we should be proud—that we should be intensely proud—of where we come from.

From The Wall Street Journal ● Oct. 8, 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

So we ate ours, chewing in silence, and oh, I’d never tasted chocolate like that before.

From "The Seven Wonders of Sassafras Springs" by Betty G. Birney

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Related Words

• he
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• zie

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