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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

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

“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 Holdings’ 3382 1.02%increase; up pointing triangle second-quarter net profit fell as its domestic business proved a drag despite stronger earnings at its North American business thanks to fuel sales.

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

“Multiplying by i turns the vector ninety degrees to the left and does not change the length,” Jake said.

From "The Smartest Kid in the Universe" by Chris Grabenstein

My next birthday was fast approaching, and I was headed toward the legal speed limit in California: 55.

From Los Angeles Times ● Oct. 23, 2026

Two weeks post-op, I started physical therapy, and as the weeks passed, I felt more and more like myself.

From Los Angeles Times ● Oct. 23, 2026

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

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

I yell, over and over until I’m hoarse and animal and rider have disappeared.

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

The-207--vol i- success of this collection was prodigious; edition after edition was given to the public under the inspection of different poetical revisers, by each of whom copious additions were made to the original work.

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

Your majesty's humble sister to commandment, "Elizabeth." -107--vol i-

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

Eden's History of the Working Classes, vol. i. p.

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

Soccer: it’s been a long time coming between you and I. But here I am!

From Los Angeles Times ● Jul. 20, 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

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

“Immense,” said I. “And they fought for veal-cutlets out of a silver basket.”

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

Pg 62 Sometimes it is not. toumba, to fall. toumbarèu, -ello, likely to fall. canta, to sing. cantarèu, -ello, songful. crese, to believe. creserèu, -ello, inclined to belief. -i.

From Frédéric Mistral Poet and Leader in Provence by Charles Alfred Downer

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

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

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

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

“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

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 it friendship, though, or a mutually useful rapport?

From Los Angeles Times ● Oct. 23, 2026

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

From MarketWatch ● Oct. 23, 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

His therapy sessions raised questions like, “What does it mean to take your anger from childhood all the way into adulthood? Is that a kind of cancer?”

From The Wall Street Journal ● Oct. 22, 2026

Is it the creepy guy at number fifty-four who we always thought turned hedgehogs into wigs?

From "Code Name Kingfisher" by Liz Kessler

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

“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

She wrote in big curling script, and she dotted her letter i’s with stars.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

The broader goal is to move beyond treating patients with standardized protocols and toward interventions guided by measurable biological information.

From Science Daily ● Oct. 23, 2026

"Our next goal is to optimize the body design to enable faster swimming," Raman says.

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

Adjusting which fin receives light and how frequently it is illuminated allows the team to control both its speed and direction.

From Science Daily ● Oct. 23, 2026

There is no evidence of her past life as a spy, wife, mother, or leprosy patient.

From "At Last She Stood" by Erin Entrada Kelly

“And more importantly, we saw 68% remission in our clinical trial. So, it’s really a quantum change, an inflection point in what we can offer to patients. From a clinical care perspective, that’s really meaningful.”

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

Different cultures use different names for the 12 or 13 full Moons across the lunar calendar, but many of the common ones we use today originate from Native American cultures.

From BBC ● Oct. 23, 2026

"What we found is that this internal conversion process turns out to be more important than we thought."

From Science Daily ● Oct. 23, 2026

“This is why we left Louisiana? Traveled west?”

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

“My husband is also just a really good gut check for me of what matters to the people of Los Angeles versus what matters in the hallways of power,” she said.

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

Simons: This was very much a challenge for me because this is not a world that I’ve really played in, even in my regular life.

From Los Angeles Times ● Oct. 23, 2026

It just reminds me of the movie theaters I grew up going to.

From Los Angeles Times ● Oct. 23, 2026

Astonishingly, he lifts me off my feet, twirls me twice.

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

This is when our brain makes us think the Moon looks bigger because it is viewed alongside objects on the horizon such as buildings and trees.

From BBC ● 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

“That doesn’t really tell us much,” she says, deflated.

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

Canadian miner Hudbay Minerals and partner Mitsubishi gave the formal green light to a major U.S. copper mine in the U.S., aiming to begin production in 2029.

From The Wall Street Journal ● Oct. 21, 2026

"But admiring someone does not give you the right to take, to claim as mine texts that are not my own."

From Barron's ● Oct. 21, 2026

She shifts in her seat, but her eyes don’t leave mine.

From "Red Flags and Butterflies" by Sheryl Azzam

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

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

As a young professional, my trick ankle gave out and I collapsed in front of my boyfriend, Drew, in the parking lot of a TV studio in Hollywood.

From Los Angeles Times ● Oct. 23, 2026

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

But I guess that’s not the way it works in real life, because instead of focusing on the Flash, I find my mind straying back to my mom and grandma again.

From "Split the Sky" by Marie Arnold

"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

Li spoke of “monetizing our AI products through subscriptions, transactions, advertising ...”

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

“But we needed to believe in our own belief for quite a long time.”

From The Wall Street Journal ● Oct. 23, 2026

“It’s your turn to carry the Bible. Take it to our new home.”

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

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

Go Greek is a big favorite of ours, and it’s crazy busy in the evenings, but it’s definitely worth waiting for.

From Los Angeles Times ● Oct. 20, 2026

"That future is ours to build. Let us build," he said.

From Barron's ● Oct. 16, 2026

The Kasteevs’ apartment was bigger than ours, but that day it was crowded—stuffed full of people I didn’t recognize, and giant bright lights on stands everywhere, and big black camera equipment.

From Absolutely Almost by Lisa Graff

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Related Words

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

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