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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

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

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 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

And 11 worms form a small part of a day’s rations to a bird that eats i o to 12 earthworms in as many minutes.

From "Silent Spring" by Rachel Carson

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

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

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

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

If I am stopped, she thinks, maybe they’ll just search the blanket and never notice anything else.

From "At Last She Stood" by Erin Entrada Kelly

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

I was appointed to succeed him in his office; and the work which he had so happily begun, without my assistance indeed, but not without some counsels of-94--vol i- mine, I diligently labored to complete.

From Memoirs of the Court of Queen Elizabeth by Lucy Aikin

This prefix thus appears as en-, i-, il-, im-, in-, ir-, as enemy, ignoble, illegal, immortal, infirm, irregular.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

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

For each of the following functions, determine the i. domain and ii. range.

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

Dion Cassius and Tacitus relate the exiles of Helvidius, who appears to have been rather intemperate and unreasonable.639.Friedländer gives many and most touching examples, tome i. pp. 410-414.640.Suet.

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

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

Pearl diving has all but disappeared, particularly after the mass production of cultured pearls on farms after World War I. In Gulf countries, the extinction of this profession converges with a familiar story.

From The Wall Street Journal ● Aug. 6, 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

But for the 11 months we were married, I experienced the glory of being a we instead of an I. Suddenly I was part of a giant club, the Partnered People.

From Los Angeles Times ● May 22, 2026

They needed to get safely home, and so did I. That last thought lingered in my mind as I dived back into the water.

From "Flying Through Water" by Mamle Wolo

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

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

Flocculus -i: a hairy or bristly appendage on the posterior coxa of some Hymenoptera.

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

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

The WNBA’s No. 1 overall draft pick and Division I’s career scoring leader revved up a raucous Indiana Pacers crowd by pumping the accelerator of a replica IndyCar before Game 3 against the Milwaukee Bucks.

From Seattle Times ● Apr. 26, 2024

Demi felt his back, as if expecting to find it like that of the watch, and then gravely remarked, “I dess Dod does it when I’s asleep.”

From "Little Women" by Louisa May Alcott

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

From Los Angeles Times ● Oct. 23, 2026

The Moneyist tackles a familiar dilemma: Is being debt-free worth the tradeoff of potentially impacted investment returns?

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

“I’ll have to give it a title like ‘Don’t Read If Your Name Is Todd’ so no one snarks about giving away the surprise,” I said.

From "Bye Forever, I Guess" by Jodi Meadows

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

From Slate ● Oct. 3, 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

It’s just making sure our i’s are dotted and our t’s are crossed.

From The Wall Street Journal ● Mar. 30, 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

According to Silva, medical device development and clinical evaluation can often take around 10 years before clearance is obtained.

From Science Daily ● Oct. 23, 2026

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

"The findings suggest the brain's norepinephrine system is far more like a targeted postal network than a foghorn," said Karel Svoboda, director of Neural Dynamics at the Allen Institute and study co-author.

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

Her two-year stay stretched into nearly a decade, and her future is uncertain, but Joey is a fighter.

From "At Last She Stood" by Erin Entrada Kelly

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

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

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

“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

Thankfully, Nana Dee says goodbye, and we find shelter behind the closed door of Ruby’s bedroom.

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

“I won’t tell,” I promise, hoping Father will smile at 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

None of it really makes sense, but none of us really makes sense.

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

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

From The Wall Street Journal ● Oct. 23, 2026

The two of us watch as the man’s face betrays waves of feeling.

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

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

From MarketWatch ● Oct. 23, 2026

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

From Los Angeles Times ● Oct. 21, 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

"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

Father’s bedroom was directly under mine but at seventy-seven he slept soundly.

From "The Hiding Place" by Corrie ten Boom

In my late 20s, I’d wanted a full reconstruction, hard stop.

From Los Angeles Times ● Oct. 23, 2026

Recently, my ankle gave way while hiking in the Santa Monica Mountains.

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

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 seeing this girl, and she used to come and hang out with the kids for a while. Now they think any girl I talk to is my girlfriend.”

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

“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

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

I stand to the left of him, stroking Belle, our gray mule.

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

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

From Barron's ● Oct. 16, 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

“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

Served her right for making me and Lloyd wear ours.

From "The Teacher’s Funeral" by Richard Peck

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Related Words

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

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