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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
Synonyms

i

1 American  
Mathematics.
  1. Also called imaginary unit. the imaginary number .

  2. a unit vector on the x -axis of a coordinate system.


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.


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.


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.


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.


i- 6 American  
  1. variant of y-.


i. 7 American  

abbreviation

  1. imperator.

  2. incisor.

  3. interest.

  4. intransitive.

  5. island.

  6. isle; isles.


-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.


I. 9 American  

abbreviation

  1. Independent.

  2. Island; Islands.

  3. Isle; Isles.


I 1 British  
/ aɪ /

pronoun

  1. (subjective) refers to the speaker or writer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation

  1. Italy (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
-i- 3 British  
  1. used between elements in a compound word Compare -o-

    cuneiform

    coniferous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

I. 4 British  

abbreviation

  1. International

  2. Island or Isle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

    1. something shaped like an I

    2. ( in combination )

      an I-beam

  3. to pay meticulous attention to detail

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i 6 British  

symbol

  1. Also called: j. the imaginary number √–1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-i 7 British  

suffix

  1. of or relating to a region or people, esp of the Middle East

    Iraqi

    Bangladeshi

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i Scientific  
/ ī /
  1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.


i Idioms  

Grammar

See me.

Other Word Forms

Noun Inflected Forms


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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

“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

Olly: it just takes practice like anything else, i was a mathlete two high schools ago i’ll have you know, got a probability and stats question? i'm your guy Madeline: No!

From "Everything, Everything" by Nicola Yoon

"I've spoken to a lot of members within this continent. I know your feeling and I think your commitment is clear as well. Your support to Gianni is very clear," he added.

From BBC ● Oct. 23, 2026

"If AI generation can match the theatrical experience of 'Avatar', I think I would be willing to pay for it," she said, referring to the US franchise known for the quality of its animation.

From Barron's ● Oct. 23, 2026

"I think it's good to get people into running. 5km is obviously not too far so people can have a shot at it, there's no pressure," she tells BBC Sport.

From BBC ● Oct. 23, 2026

But on Monday, he said: "I don't know... I'm not sure that anybody's asking for a meeting," adding that his "relationship with Kim Jong Un is very good."

From Barron's ● Oct. 23, 2026

I think I’m too close to him, too near to count.

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

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

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

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

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

But the converse, i. e. consideration for the historical conditions of Ephesus and its sister churches, on the part of the body of the work, is absolutely wanting.

From The Making of the New Testament by Benjamin Wisner Bacon

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

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

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

So did I. “Aunt Florentine loved you as much as she loved me.”

From Each Little Bird That Sings by Deborah Wiles

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

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

In most words of this class the final -i of the stem is lost in the Nominative Singular; in others it appears as -e.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

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

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

Caleb said he was told the Llantrisant Mace was older than most of the Crown Jewels and survived Oliver Cromwell trying to melt down any remaining precious metal bearing Charles I's crest.

From BBC ● Jun. 18, 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

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

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

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

MarketWatch: Is renting or buying the better move for a young person?

From MarketWatch ● Oct. 22, 2026

Is it possible that an under-the-radar composite materials company in St. Louis has cracked the code for running a family business sustainably while putting its workers’ well-being first?

From The Wall Street Journal ● Oct. 22, 2026

“And consider this possibility: Is believing you’re selfish one of your automatic negative thoughts?”

From "Red Flags and Butterflies" by Sheryl Azzam

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

So homeowners, dot the i’s and cross the t’s when you sell—and be ready to show your work.

From The Wall Street Journal ● Mar. 6, 2026

The i's Anna Bonet added Intermezzo is "mature and profound and feels like a culmination of everything she has done before".

From BBC ● Sep. 23, 2024

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

"I must say this makes me feel a bit nostalgic, because the event is always immediate. Anticipation creates that sense of longing which has now disappeared."

From BBC ● Oct. 23, 2026

And the industry is becoming more crowded, Agarwal expects dozens more competitors to emerge in India this year.

From BBC ● Oct. 23, 2026

Making sure workers give their consent and are comfortable with the process is important, he says.

From BBC ● Oct. 23, 2026

It's then labelled so the AI knows what it is looking at and packaged in a format that can be used by clients.

From BBC ● Oct. 23, 2026

Spanish influence in the Philippines is evident in the country’s language, religious practices, surnames, and culture.

From "At Last She Stood" by Erin Entrada Kelly

The answer: Exactly as we were saying before.

From BBC ● Oct. 23, 2026

"It should not be that way, cause we were friends before, real good friends and they should stay that way," said Roe, 83, whose father was Canadian.

From Barron's ● Oct. 23, 2026

When we spoke again later, he’d gotten all the way to Dallas without further issues.

From The Wall Street Journal ● Oct. 23, 2026

"And even if we obtained some averages at some point, we still wouldn't be able to make universal statements about health risks in the region," Weissenborn cautions.

From Science Daily ● Oct. 23, 2026

On both sides of the river, we see overturned wagons, empty crates and ammunition casks, soaked grain sacks.

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

"Of course, this year could be good for me to win the Ballon d'Or - but journalists vote."

From BBC ● Oct. 23, 2026

"I want a new change for me, for you, for everyone," Beltran said, expressing hope for Machado's return and an economic revival.

From Barron's ● Oct. 23, 2026

From my starting point in Nashville, Tenn., down to Little Rock, Ark., the Bolt’s nimble handling made for a smooth ride and afforded me time for sightseeing.

From The Wall Street Journal ● Oct. 23, 2026

“I appreciate everyone who believed in me, my family and my friends. I’m out and I’m innocent. The Lord know I’m innocent,” said Don Roberts in the video clip.

From Los Angeles Times ● Oct. 23, 2026

“Time to count on someone else,” Grandpa says, pointing at me.

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

Ayla Herrero, a 26-year-old anthropologist helping at the camp's infirmary, said it was "inspiring for us to know that we're inspiring other people, that it doesn't just stay here".

From Barron's ● Oct. 23, 2026

The company's head Nicolas Hieronimus said the beauty market was proving resilient in a challenging global context, and that the use of GLP-1s was "a very important phenomenon for us".

From BBC ● Oct. 22, 2026

Markets and political reality come for us all in the end.

From The Wall Street Journal ● Oct. 22, 2026

But there is a difference between a watershed event and simply a selloff caused by a company that reminded us this isn’t a kids’ soccer game where every company gets a trophy.

From MarketWatch ● Oct. 22, 2026

“This storm is coming out of nowhere. I don’t want it to catch us on the road —c’mon, Small Fry, get in,” Dad calls out the window.

From "Split the Sky" by Marie Arnold

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

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

From Los Angeles Times ● Oct. 21, 2026

At one party, a neighbor of mine, a tattoo artist who had no tattoos of his own, generously lent me four tufted beanbags in a demure oatmeal color.

From Salon ● Oct. 20, 2026

The mine is expected to start producing gold in 2028.

From The Wall Street Journal ● Oct. 19, 2026

Zara jumps up from her place at the table, two gold medals swinging around her neck, hers and mine.

From "Red Flags and Butterflies" by Sheryl Azzam

"I am poor. I am a student. I depend on a scholarship to do my degree."

From Barron's ● Oct. 23, 2026

“After my trip,” he told me, “I would consider an EV in the future.”

From The Wall Street Journal ● Oct. 23, 2026

“I appreciate everyone who believed in me, my family and my friends. I’m out and I’m innocent. The Lord know I’m innocent,” said Don Roberts in the video clip.

From Los Angeles Times ● Oct. 23, 2026

"It's good money, but honestly, the feeling of doing something this futuristic is what keeps me excited. I never imagined my razor techniques would be useful to a global tech company," says Ashim.

From BBC ● Oct. 23, 2026

I lean forward, laying my head on Midnight’s mane.

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

"I salute the courage of our soldiers who acted with determination and prevented what could have been a major attack," Netanyahu said in a statement.

From Barron's ● Oct. 23, 2026

“FedEx continues to monitor the situation in the Middle East and adjust our operations for continued service to and from the region,” a company spokesman said.

From The Wall Street Journal ● Oct. 23, 2026

"However, every single particle has a different structure," warns Weissenborn, "and our experiment only studied six such particles from two different locations."

From Science Daily ● Oct. 23, 2026

However, in the course of our investigation we spoke to six doctors who described a pattern of systematic targeting.

From BBC ● Oct. 22, 2026

“Look, I know you give money to our causes, and that’s great, big brother, but sometimes you need to be on the front line.”

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

He said he assumed I’d be fine with it since the money was still ours.

From MarketWatch ● Oct. 21, 2026

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

From Barron's ● Oct. 16, 2026

Originally, we had ours hooked up to a battery system—then the battery failed during a bad storm.

From The Wall Street Journal ● Oct. 8, 2026

It kept their spirits up, and ours too, come to that, because it was so heartening to see the children enjoying themselves.

From "An Elephant in the Garden" by Michael Morpurgo

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