i
the imaginary number .
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i
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I
Inounthe ninth letter of the English alphabet, a vowel.
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i-
i-variant of y-.
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i.
i.abbreviationimperator.
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-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.
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I.
I.abbreviationIndependent.
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-i
-isuffixof or relating to a region or people, esp of the Middle East
i
1 AmericanMathematics.
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Also called imaginary unit. the imaginary number .
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a unit vector on the x -axis of a coordinate system.
I
2
American
[ahy]
/ aɪ /
Or
i
noun
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I's,
plural
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Is,
plural
-
i's,
plural
-
is
plural
-
the ninth letter of the English alphabet, a vowel.
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any spoken sound represented by the letter I or i, as in big, nice, or ski.
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something having the shape of an I.
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a written or printed representation of the letter I or i.
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a device, as a printer's type, for reproducing the letter I or i.
I
3
American
[ahy]
/ aɪ /
pronoun
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we,
plural nominative
-
me,
objective
-
us,
objective
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my,
possessive
-
mine,
possessive
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our,
possessive
-
ours
possessive
noun
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I's
plural
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(used to denote the narrator of a literary work written in the first person singular.)
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Metaphysics. the ego.
I
4
American
abbreviation
I
5
American
Symbol.
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the ninth in order or in a series.
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(sometimes lowercase) the Roman numeral for 1.
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Chemistry. iodine.
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Biochemistry. isoleucine.
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Electricity. current.
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Logic. particular affirmative.
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(italics) isotopic spin.
i-
6
American
i.
7
American
abbreviation
-
imperator.
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incisor.
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interest.
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intransitive.
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island.
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isle; isles.
-i-
8
American
I.
9
American
abbreviation
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Independent.
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Island; Islands.
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Isle; Isles.
I
1
British
/ aɪ /
pronoun
I
2
British
symbol
-
chem iodine
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physics current
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physics isospin
-
logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiP Compare A E O 1
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one See Roman numerals
abbreviation
I.
3
British
abbreviation
-
International
-
Island or Isle
-i-
4
British
i
5
British
/ aɪ /
noun
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the ninth letter and third vowel of the modern English alphabet
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any of several speech sounds represented by this letter, in English as in bite or hit
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-
something shaped like an I
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( in combination )
an I-beam
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to pay meticulous attention to detail
-i
6
British
suffix
i
7
British
symbol
i
Scientific
/ ī /
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:
Buckingham Palace is "on the defensive", the i Paper reports.
From BBC ● Sep. 17, 2026
"Find the money to fund end-of-life care," is Lord Blunkett's "plea to Burnham", according to the i Paper.
From BBC ● Sep. 7, 2026
The deal would mark Couche-Tard’s largest-ever acquisition after it abandoned a $47 billion takeover attempt of Seven & i, the Japanese owner of 7-Eleven, last year.
From The Wall Street Journal ● Sep. 1, 2026
David Zwirner presents Roy DeCarava’s “the sound i saw,” bringing together photographs taken in the late 1940s and 1960s.
From Los Angeles Times ● Sep. 1, 2026
The only numbers that escape are the ones that are equally distant from the two rivals—the numbers on the equator, like 1, –1, and i.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
And I was like, ‘Wow, that’s a really big deal!’
From Los Angeles Times ● Sep. 18, 2026
“What I watch for is lean mass loss, which matters more in someone with inflammatory arthritis than in the general population, because muscle is what protects the joint,” she says.
From The Wall Street Journal ● Sep. 18, 2026
“I had never really considered it because I have a low BMI,” Balkey says.
From The Wall Street Journal ● Sep. 18, 2026
"I'm very grateful. He was very chuffed when I passed first time," she said.
From BBC ● Sep. 17, 2026
“My father’s a better man than you,” I shout.
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
Numbered footnotes in Sections I-VII of the Introduction have been relocated to the end of the Introduction and marked with an "i-".
From Benjamin Franklin Representative selections, with introduction, bibliograpy, and notes by Chester E. Jorgenson
Mary received her in her chamber, to which she had now confined herself in expectation of that joyful-192--vol i- event which was destined never to arrive.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
A remarkable incident soon served to intimate the coolness and caution with which it was her intention-254--vol i- to proceed in re-establishing the maxims of the reformers.
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
Properties i. and ii. say that line integrals are linear, which is true of single-variable integrals as well.
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
Dei, i. 22-7.82.This had been suggested by St. Augustine.
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
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
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
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
“If that tiny little scrape is all you got, you are lucky, and so am I. We could have been killed.”
From "Earthquake Terror" by Peg Kehret
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
Verbs in -i add -ua to the final syllable.
From The Mafulu Mountain People of British New Guinea by Robert Wood Williamson
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 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
Judges were unmoved that Luitpold’s forebears had brewed in the region since 1260, written the purity law and invented Oktoberfest for his great-great-grandfather King Ludwig I’s 1810 wedding.
From The Wall Street Journal ● Sep. 7, 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
Queen Elizabeth I’s elaborate mask-like daily makeup ritual not only hid her smallpox scars but was also meant to project a preternatural agelessness.
From Los Angeles Times ● Mar. 24, 2024
"And how are you feeling today, Mrs..." somebody said, and the name sounded long and full of I's, like Mrs. Tomolillo.
From "The Bell Jar" by Sylvia Plath
Is the iPhone Duo discriminating against left-handed users?
From The Wall Street Journal ● Sep. 17, 2026
Is it control of self-replicating armies of autonomous drones, or a cancer-free utopia that hits Type II on the Kardashev scale?
From Salon ● Sep. 16, 2026
Is the Premier League already a two-team title race?
From BBC ● Sep. 15, 2026
Is it the frontier labs like OpenAI and Anthropic?
From MarketWatch ● Sep. 15, 2026
Getting up from the bed, Papa looked at his watch and said, “Your mother and I are going to the store today. Is there anything you want me to tell your grandpa?”
From "Summer of the Monkeys" by Wilson Rawls
"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
Sometimes, he says, “dotting i’s and crossing t’s has to come second to right and wrong.”
From The Wall Street Journal ● Oct. 16, 2025
“I know sometimes people feel like, why hasn’t there been more information? But again, just trying to make sure we have i’s dotted and t’s crossed.”
From Los Angeles Times ● Feb. 26, 2025
A Japanese company of Seven & i's size has never been bought by a firm from overseas.
From BBC ● Oct. 8, 2024
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
“It was quite an image that is very vivid to me right now.”
From Los Angeles Times ● Sep. 18, 2026
Autumn is often a time of wild swings in the weather.
From BBC ● Sep. 18, 2026
Stone also ruled that Uber has a duty to protect its passengers and is accountable for harm caused by drivers.
From Los Angeles Times ● Sep. 17, 2026
"Over the last couple of months my whole TikTok and Instagram is just people learning to drive. It's like my algorithm knows, it's quite scary," she said.
From BBC ● Sep. 17, 2026
With another conflict won, she is determined to triumph over her longest battle of all: overcoming Hansen’s disease.
From "At Last She Stood" by Erin Entrada Kelly
“Do we hold bars responsible for the things drunk people do on public sidewalks?”
From Los Angeles Times ● Sep. 18, 2026
“The coaches decide which players they want, how they want to run the team,” Jolin said, “and we as Michigan supporters help support their efforts.”
From The Wall Street Journal ● Sep. 18, 2026
"No10 North is all about creating opportunities for working people, and our partnership with Ireland as we improve the lives of people in both of our countries is a key part of that," he said.
From BBC ● Sep. 17, 2026
“Right now, we are experiencing Black joy to the highest level,” Crockett said on stage.
From Los Angeles Times ● Sep. 17, 2026
On either side of the fire, we cocoon beneath our blankets.
From "Will’s Race for Home" by Jewell Parker Rhodes
“It was quite an image that is very vivid to me right now.”
From Los Angeles Times ● Sep. 18, 2026
She added: "I had part of high school online because of Covid so I already knew how to use recorded content for learning so it felt very natural for me."
From BBC ● Sep. 17, 2026
Before I started working, Murano to me, was one door: my grandfather’s factory.
From The Wall Street Journal ● Sep. 17, 2026
“The U.S. is absolutely vulnerable to a Pearl Harbor in space,” this person told me.
From Slate ● Sep. 17, 2026
“Will, are you all right?” asks Father, pulling me close.
From "Will’s Race for Home" by Jewell Parker Rhodes
It wants us to stockpile canned food and drinking water, strengthen our civic resilience, and plan for the possibility of war.
From BBC ● Sep. 17, 2026
It should be noted the leaders of the AI companies didn’t start warning us about AI’s dangers last week.
From The Wall Street Journal ● Sep. 17, 2026
“The school won’t allow us to practice until Wednesday and we’ll still be day-to-day after that.”
From Los Angeles Times ● Sep. 17, 2026
"I don't think it's dawned on us it's really ours," says Conroy, a video editor.
From BBC ● Sep. 17, 2026
A huge man on a motorcycle pulls alongside us, waiting for the light to turn green.
From "Split the Sky" by Marie Arnold
“Tova’s crabbiness certainly fits with mine right now. And her age,” she said.
From Los Angeles Times ● Sep. 15, 2026
"Macklemore coming off tour was the promoter's decision, it was not mine," Sheeran wrote in a lengthy Instagram post, adding that the rapper's contract was ended by the promoter, Messina Touring Group.
From Barron's ● Sep. 15, 2026
“Increased mining rates at Break of Day following the Stage 2 cutback, along with mine life extensions at Penny, should drive higher head grades through FY27 and FY28,” says the broker.
From The Wall Street Journal ● Sep. 14, 2026
On April 19, it struck a British mine and sank.
From Science Daily ● Sep. 14, 2026
I lift my chin to meet his gaze, his face inches from mine.
From "Red Flags and Butterflies" by Sheryl Azzam
“I’ve met thousands of people over my 50 years in politics and LeRoy stands tall among them.”
From Los Angeles Times ● Sep. 18, 2026
He argued that "those who come to my shows do not expect a political forum" and stressed he was not responsible for Macklemore being removed from the tour.
From BBC ● Sep. 18, 2026
“We were driving home,” Smith said, “and I asked my wife. I’m like, ‘What is that family eating?’
From Los Angeles Times ● Sep. 17, 2026
"Over the last couple of months my whole TikTok and Instagram is just people learning to drive. It's like my algorithm knows, it's quite scary," she said.
From BBC ● Sep. 17, 2026
“Seems like I ought to help. Become a land rush man. Set aside my guns. California and the Pacific Ocean aren’t going anywhere.”
From "Will’s Race for Home" by Jewell Parker Rhodes
“We took 25% of our production engineers and said ‘Sorry, all your projects are on hold.
From The Wall Street Journal ● Sep. 18, 2026
“No family should have to suffer the loss of a child, and our thoughts continue to be with the Normandin-Parker family,” an Uber spokesperson said in a statement.
From Los Angeles Times ● Sep. 17, 2026
"No10 North is all about creating opportunities for working people, and our partnership with Ireland as we improve the lives of people in both of our countries is a key part of that," he said.
From BBC ● Sep. 17, 2026
“Over the past few days, I have listened closely to the conversations, concerns, and heartfelt feedback shared across our community following my presentation honoring Chris Brown with a state resolution,” Jones said.
From Los Angeles Times ● Sep. 17, 2026
I keep digging, punching posts into our lot’s boundaries.
From "Will’s Race for Home" by Jewell Parker Rhodes
“It looked like this newsroom has money and ours doesn’t,” Koman adds.
From Los Angeles Times ● Sep. 11, 2026
At Camp Golden Eagle, in Woodruff, Wis., all the usual activities were ours: baseball, archery, canoeing, swimming.
From The Wall Street Journal ● Sep. 3, 2026
In July, outgoing prime minister Sir Keir Starmer issued a formal apology to those mothers, telling them: "The shame is not yours... the shame is ours."
From BBC ● Aug. 30, 2026
Dolly was one of us, ours, but of course she was also much more.
From Salon ● Aug. 26, 2026
By the time you sent Mila and me away, I know now that we were probably days away from losing ours, too.
From "Code Name Kingfisher" by Liz Kessler
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
