i
the imaginary number .
Jump To:
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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
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i's,
plural
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is
plural
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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
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me,
objective
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us,
objective
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my,
possessive
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mine,
possessive
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our,
possessive
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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
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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
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chem iodine
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physics current
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physics isospin
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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
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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
The British royal family is vulnerable to cyber attacks from hostile states, according to the i Paper.
From BBC ● Sep. 3, 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
“Multiplying by i turns the vector ninety degrees to the left and does not change the length,” Jake said.
From "The Smartest Kid in the Universe" by Chris Grabenstein
"My school was very tolerant towards what I was doing, so I was fortunate."
From BBC ● Sep. 18, 2026
She said: "I really do believe we can break it, but a lot of things have got to come together."
From BBC ● Sep. 18, 2026
"I am a trader by profession and when I see that the shares have increased in price I will sell," he noted.
From BBC ● Sep. 17, 2026
"I was devastated," recalled Rachelle, who is not considering returning to Haiti due to the unstable security situation there.
From Barron's
The other man sets me down on the dirt like I don’t matter at all.
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
Intelligence however had no-175--vol i- sooner reached the court of the reception afforded to the princess at Ricot, than directions arrived for her immediate removal to Woodstock.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
Cecil replied, "Yes, madam,-282--vol i- and she says your majesty would like to do so too;" lord Robert Dudley then filling the office of master of the horse to the queen.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
I think ye guess whom they named; if ye do not, I-290--vol i- will upon my next letters write further.
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
Combining the results from parts i. and ii., draw a rough sketch of f .
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
Green, J. R.: History of the English Peoples, vols. i. and iv.
From Boy Labour and Apprenticeship by Reginald Arthur Bray
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
Soccer: it’s been a long time coming between you and I. But here I am!
From Los Angeles Times ● Jul. 20, 2026
Also in 2025, she was a finalist for the Alfred I. duPont-Columbia University Awards for her reporting and hosting of an audio investigation into a deadly U.S. refinery explosion.
From The Wall Street Journal ● May 29, 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
“You see my state,” said I. “I would come with you if I could; but indeed I am quite unable. If you take me from here, I think I shall die by the way.”
From "Great Expectations" by Charles Dickens
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
If not a few Bantu languages, the verb used in a negative sense changes its terminal -a to -i.
From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various
Tarsus -i: the foot; the jointed appendage attached at the apex of tibia. bearing the claws and pulvilli.
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
“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
“Law, my phone was disconnected cause I’s short this month. You talk to Yule May?”
From "The Help" by Kathryn Stockett
Appeared in the September 17, 2026, print edition as 'Kevin Warsh Is an Inflation Hawk'.
From The Wall Street Journal ● Sep. 16, 2026
Is this a good time to take out a HELOC?
From MarketWatch ● Sep. 16, 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 a September heatwave forecast for the UK?
From BBC ● Sep. 15, 2026
Is it possible that I did the best I could, with the choices I had?
From "The Brightwood Code" by Monica Hesse
"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
“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
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
He tries it in various styles, his hand unaccustomed to the angles of the N, the dotting of the two i’s.
From "The Namesake" by Jhumpa Lahiri
The site is central to a restoration programme that aims to boost this type of specialist habitat across the county.
From BBC ● Sep. 18, 2026
Mythic Reinvention: An exhibition celebrating 50 Years of Costume and Craft is open until 15 November.
From BBC ● Sep. 18, 2026
A right of way has now been established, while the council has been ordered by the courts to pay £50,000 costs and to ensure her access is not impeded again.
From BBC ● Sep. 18, 2026
Police said they believe she then boarded a bus to nearby Altrincham at about 13:50 BST, but it is not known where she got off.
From BBC ● Sep. 17, 2026
In June 1969, Joey graduates from college and is accepted into graduate school at Middlebury College, where she earns a master’s degree in Spanish literature.
From "At Last She Stood" by Erin Entrada Kelly
She said: "I really do believe we can break it, but a lot of things have got to come together."
From BBC ● Sep. 18, 2026
“With short positioning stretched and Fed pricing aggressive, we expect the 10Y Treasury yield to consolidate in a 4.90-5.10% range for now.”
From The Wall Street Journal ● Sep. 18, 2026
"It will be a chance to celebrate every individual who has helped create and shape this beloved theatre as we look to our future."
From BBC ● Sep. 18, 2026
"The scale of it is much, much bigger than what we see actually based on the seizure data," said Jimmy Borah of the environmental advocacy group Aaranyak.
From Barron's
I make eye contact and we do the nodding thing.
From "Split the Sky" by Marie Arnold
“It was quite an image that is very vivid to me right now.”
From Los Angeles Times ● Sep. 18, 2026
"He said 'score goals', but he wants me to defend. The way we defend - we defend to score goals so defending, in the end, is an attacking weapon."
From BBC ● Sep. 18, 2026
"Personally, I'm not fearful of the Australian animals but I've never had a crocodile near me," he said.
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
Still watching me, the man tips his hat.
From "Will’s Race for Home" by Jewell Parker Rhodes
“We thank the researchers for contacting us and sharing their findings. We narrowed the permissions on Community sign-in tokens and revoked affected tokens and sessions,” the company said.
From The Wall Street Journal ● Sep. 18, 2026
"Families with incomes coming into the household are still not able pay for food and things like that, so we're seeing a lot families coming to us and asking for help."
From BBC ● 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
"It is no longer Dangote but 'Yangote', the company belongs to us now," he said while laughing.
From BBC ● Sep. 17, 2026
Looking about us, all we see is miles of debris from hastily left sites.
From "Will’s Race for Home" by Jewell Parker Rhodes
It has a buy rating and A$1.50 target on Larvotto, which owns a gold and antimony mine in Australia.
From The Wall Street Journal ● Sep. 16, 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
"Macklemore coming off tour was the promoter's decision, it was not mine," he wrote.
From BBC ● Sep. 15, 2026
On April 19, it struck a British mine and sank.
From Science Daily ● Sep. 14, 2026
Although some Dutch women in 1937 were wearing their skirts knee-length, mine was still a cautious three inches above my shoes.
From "The Hiding Place" by Corrie ten Boom
“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
“As if I had to go to the back of the line and wait my turn,” Mr. Guimarães says, bewildered.
From The Wall Street Journal ● Sep. 18, 2026
She added: "I knew this would probably be my last chance, because there were other girls in Britain trying to do it."
From BBC ● Sep. 18, 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
Moving my mouth sideways across the harmonica reeds, I make up tunes.
From "Will’s Race for Home" by Jewell Parker Rhodes
"At my age you don't know how many years you have left, and this has given me three years-plus of stress but now we have proven they blocked our rights."
From BBC ● Sep. 18, 2026
“We took 25% of our production engineers and said ‘Sorry, all your projects are on hold.
From The Wall Street Journal ● Sep. 18, 2026
A frontbencher said: "With the possible exception of our position on Trump, you could characterise most of our press lines as 'a Lib Dem spokesperson said, steady on now, gently does it'."
From BBC ● 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
Outside the window, our next-door neighbors—an elderly couple, Mr. and Mrs. Brown—paint over the red graffiti spray-painted on their porch.
From "Split the Sky" by Marie Arnold
Whenever he seems confused, I’m delighted; it’s reassuring to see someone so smart still struggle to fathom this thing of ours.
From The Wall Street Journal ● Sep. 15, 2026
“It looked like this newsroom has money and ours doesn’t,” Koman adds.
From Los Angeles Times ● Sep. 11, 2026
They’re surprisingly warm inside, and ours made a cozy setting for pork belly skewers, crab puffs and smoked cocktails.
From Salon ● Sep. 8, 2026
He said the premium still felt like a "death tax" and the family were being "penalised through no fault of ours".
From BBC ● Sep. 7, 2026
We started inviting Bubbe to ours on Friday nights instead after Pop died, but after a while she stopped coming.
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.
