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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

The Canadian retail conglomerate ultimately withdrew its offer over friction around valuation gaps and antitrust issues in the U.S., prompting Seven & i to focus on restructuring and a standalone North American IPO strategy.

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

“There is a certain pride in being a Californian, certainly not held by everybody ... but i would think that the mainstream would be defending the state.”

From Los Angeles Times ● Oct. 6, 2026

Olly: don’t you want to know if i have a girlfriend?

From "Everything, Everything" by Nicola Yoon

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 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

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

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

"I thought he was deceived," Dr. Williams writes in his notes.

From "Phineas Gage" by John Fleischman

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

In furtherance of the design, several of her gentlemen had already taken their departure for that city, and Flemish light vessels were observed to keep watch on the English-112--vol i- coast.

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

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

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

The courts, however, generally held that extraterritorial notice of copyright, i. e. on foreign editions, was impracticable and unnecessary; and this view is specifically adopted in the new code.

From Copyright: Its History and Its Law by Richard Rogers Bowker

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

“Most of it comes out of the ground with the consistency of cold peanut butter,” observes economist David I. Levine of UC Berkeley.

From Los Angeles Times ● Oct. 6, 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

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

Nearly five million Americans served in uniform during World War I. After the war, the U.S. drew down the Army to a minimal level and kept it there for two decades.

From The Wall Street Journal ● Apr. 28, 2026

“It cannot be too early to commence the task I have to fulfil,” thought I. I rose: I was dressed; for I had taken off nothing but my shoes.

From "Jane Eyre" by Charlotte Brontë

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

First log on as root, and then type dpkg -i icewm_0.8.12-1.deb, and icewm version 0.8.12 will be installed.

From Debian GNU/Linux : Guide to Installation and Usage by John Goerzen

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

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

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

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

From BBC ● Sep. 19, 2024

If you add ly, you end up with double I’s: awfully, carefully, usefully, wonderfully, etc.

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

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

From Los Angeles Times ● Oct. 23, 2026

She watches reality TV with her kids; joining them, he offers, “I did my thesis on reality. Is this show about Platonic or Aristotelian ideas?”

From Los Angeles Times ● Oct. 22, 2026

Is he living with his formerly indebted daughter?

From MarketWatch ● Oct. 22, 2026

After everyone had discussed Ross's demise, she piped up in her famous Texan drawl: "Is Ross gone?"

From BBC ● Oct. 22, 2026

“Hello! Is this who I think it is?”

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

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

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

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

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

"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

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

She tries to keep the desk tidy, but it is always littered with papers, writing supplies, and letters.

From "At Last She Stood" by Erin Entrada Kelly

"And we wanted to optimize all these parameters to support live muscle cells."

From Science Daily ● Oct. 23, 2026

“It was something we wanted to do to try to help out the community.”

From Los Angeles Times ● Oct. 23, 2026

"At the start of the season it was made clear in interviews we wanted to be an aggressive attacking team. We are not there yet, we're still working it out."

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

“Can we reschedule this debate? It is my birthday, after all,” I point out.

From "Split the Sky" by Marie Arnold

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

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

“Today me, tomorrow you,” she’d said, wagging her crooked, arthritic finger in my face.

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

“So you won’t fall off,” he reassures 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

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

From The Wall Street Journal ● Oct. 23, 2026

Humans have always argued about what makes us human.

From "Phineas Gage" by John Fleischman

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

It’s an unabashedly disgusting R-rated horror entry that plays with a longstanding suspicion of mine: There’s something scary about Method actors.

From The Wall Street Journal ● Oct. 22, 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 setup of Helen’s switchboard is identical to mine; I am not more than eighteen inches away from where I usually sit.

From "The Brightwood Code" by Monica Hesse

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

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

“Let’s have a party for my birthday,” I said.

From Los Angeles Times ● Oct. 23, 2026

I slid down that trail with my leg dragging behind me and injured my right knee.

From Los Angeles Times ● Oct. 23, 2026

Later, my mind drifting, I watch Caesar sleeping with his revolver resting on the ground beside him.

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

“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

Thank you for the stadium, thank you for everything else, but we’re not going to uphold our end of the deal,’” said John Quinn, outside counsel for Hollywood Park in the matter.

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

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

From The Wall Street Journal ● Oct. 23, 2026

“Flashing has been with our family for generations. It’s an important tradition, and I won’t apologize for caring about it,” she replies.

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

"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

I was fast learning that our work schedule was dictated solely by the master’s needs, not by ours, and definitely not by any conventions of the outside world.

From "Flying Through Water" by Mamle Wolo

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Related Words

• he
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• sie
• they
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• zie

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