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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

A landmark report proposing to create career plans for 14-year-olds and above to help them with their future employment, is the lead of the i Paper.

From BBC ● Oct. 22, 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

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

From BBC ● Oct. 7, 2026

I thought the same about him but had i he smarts not to mention it.

From "Life Is So Good" by George Dawson

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

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

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

As soft sunlight slanted in through my car window, I realized I’d already passed the performance baton onto my teenage daughter Dayna.

From Los Angeles Times ● Oct. 23, 2026

“No, Father! Let me. Belle,” I call, cajoling, “Belle, you can do it. You can do it, girl.”

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

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 she would frequently assure them that she would take a particular care of their affairs, and she would-277--vol i- ever be as good as her word.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

How tame, how puerile, in the midst of sentiments serious and profound as these, would have appeared-252--vol i- the intrusion of classical imagery, however graceful in itself or ingenious in its application!

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

Vol. ii. pt. i., by L. Nix and W. Schmidt, contains the Mechanics in Arabic, Greek fragments of the same, the Catoptrica in Latin with appendices of extracts from Olympiodorus, Vitruvius, Pliny, &c.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 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

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

There is a gorgeous, heartbreaking story about a piano prodigy in France during World War I. The final story concerns the marriage between a Dutch clockmaker and a theoretical physicist.

From The Wall Street Journal ● Aug. 18, 2026

He also urged them not to allow partnerships between large corporations and the military, the way the German scientific community and government did with I. G. Farben and Krupp Armaments and Steel.

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

“She doesn’t have a phone,” Velia said, joining the conversation with the same conviction as Delia and I. “I mean, my mother does, but...”

From "Summer of the Mariposas" by Guadalupe García McCall

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

Every Esperanto verb has three Moods—the Conditional, the Imperative, and the Infinitive, which are formed respectively by means of the endings -us, -u, and -i.

From Esperanto Self-Taught with Phonetic Pronunciation by William W. Mann

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

Pulvillus -i: soft, pad-like structures between tarsal claws: the cushions of short, stiff hair or other clothing on the underside of tarsal joints; rarely fleshy lobes: see arolium.

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

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

“Yeah, it takes us a little longer, but we dot our I’s and we cross our Ts,” she said.

From Los Angeles Times ● Nov. 22, 2024

Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.

From BBC ● Sep. 19, 2024

If I’s to worry ’bout bones choking me, it’d happen every time I et fish.

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

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

“Well, it’s unusual to meet someone who’s not champing at the bit to get into the movies. Is it true that the Chinese believe cameras and photographs take possession of the soul?”

From "The Red Car to Hollywood" by Jennie Liu

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

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

A Japanese company of Seven & i's size has never been bought by a firm from overseas.

From BBC ● Oct. 8, 2024

At Swarthmore, Libbi got all A’s and B’s and started to spell her name with two i’s.

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

Although that is much slower than an Olympic swimmer, who can travel up to 65 body lengths per minute, it is comparable to the swimming pace of a cow shark moving leisurely through the ocean.

From Science Daily ● 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

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

From Science Daily ● Oct. 23, 2026

“One of the goals of the company is to create a platform for mental healthcare that uses objective imagery to help patients understand why they’re experiencing life the way that they are,” Walke said.

From Science Daily ● Oct. 23, 2026

Lucban is a good place for make-believe, because it is rich with legends.

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

“Now that it’s time for the city to essentially uphold its end of the bargain, now that it’s received all the benefits, it’s saying, ‘Well, actually, we consider this agreement void.

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

"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

A half hour later, we hear a knock on the door.

From "Split the Sky" by Marie Arnold

“He takes away my blinders and reminds me what the city is looking for.”

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

To further aid me in my age acceptance campaign, I started to affectionately refer to my birthday as my “Double Nickels.”

From Los Angeles Times ● Oct. 23, 2026

A deep, roaring wail bursts out of 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

“I grew up in South Texas watching the compadre system steal from us while our families struggled to get by,” De La Cruz said in a statement.

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

It’s as if they think the drawn river will come alive, bursting and showering us with venom and water.

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

Hudbay Minerals and Mitsubishi approved construction of the Copper World mine in Arizona, with production set to begin in late 2029.

From The Wall Street Journal ● Oct. 21, 2026

Today, "the main challenge is ensuring security of supply outside of China. This makes our project an important part of the equation," said Kevin Pallas, head of Group 6 Metals, which owns the mine.

From Barron's ● Oct. 21, 2026

When at last everyone sat down, Mama’s eyes, Betsie’s, and mine were brimming with tears.

From "The Hiding Place" by Corrie ten Boom

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

“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

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

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

“It’s not a problem, Lala. Let your Dad know I’ll be taking you home. I’ll get my keys,” Ms. Reed replies.

From "Split the Sky" by Marie Arnold

“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

Li even warned the analysts that “active legal and regulatory matters ... could significantly impact our business and financial results” in the near future.

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

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

From The Wall Street Journal ● Oct. 23, 2026

Is it our ability to walk on two feet?

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

“No nation, even one as capable and confident as ours, can safeguard them alone,” said Amin Nasser, chief executive of Saudi’s oil giant ARAMCO.

From Los Angeles Times ● 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

“Living in a small town like ours, it’s hard to imagine that many people. Even Denver’s population is only a fraction of that.”

From "Linked" by Gordon Korman

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Related Words

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

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