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
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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
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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
-
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
abbreviation
-
International
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Island or Isle
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
I
4
British
/ aɪ /
pronoun
i
5
British
symbol
-i
6
British
suffix
i
7
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
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:
The i Paper says it was the "day that changed the world".
From BBC ● Sep. 11, 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
Housing Secretary Angela Rayner has revealed plans for 70,000 new homes across England, according to the i Paper.
From BBC ● Aug. 24, 2026
Exception 1.—Before ing or ish, the final y is retained to prevent the doubling of the i: as, pity + ing = pitying.
From New Word-Analysis by William Swinton
I wish the Eastern Bloc system hadn't been there, but that's what it was.
From BBC ● Sep. 18, 2026
"He came with his football - the way he wants to play and the high intensity which I think will benefit me, the club and the way the club wants to play football," added Isak.
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
Lee said Friday it was "clear" that "Trump wants dialogue, and I am also urging President Trump to engage in dialogue."
From Barron's
I sit as close to the fire as I dare.
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
Cranmer-128--vol i- resisted for some time, but was at length won to compliance by the tears and entreaties of Edward.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
For the face I grant I might well blush to offer,-104--vol i- but the mind I shall never be ashamed to present.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
The gentlemen pleaded,-141--vol i- on the other side, the urgency of their commission, and said that they had brought the queen's litter for her conveyance.
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
Sismondi, Hist. de la Chute de l'Empire romain, tome i. p. 230.316.Eunapius.
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
Soccer: it’s been a long time coming between you and I. But here I am!
From Los Angeles Times ● Jul. 20, 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
Jef I. Richards is a professor emeritus of advertising and public relations at Michigan State University’s College of Communication Arts and Sciences.
From The Wall Street Journal ● Apr. 15, 2026
“Indeed, that is the very question I want to ask you,” said I. “For he has been hovering about you all night.”
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
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
Oncus -i: a welt: applied to welt-like ridges on caterpillars.
From Explanation of Terms Used in Entomology by John. B. Smith
Thus final -o bespeaks a noun; -a, an adjective; -e, an adverb; -i, an infinitive, etc.
From International Language Past, Present and Future: With Specimens of Esperanto and Grammar by Walter John Clark
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
“Yeah, it takes us a little longer, but we dot our I’s and we cross our Ts,” she said.
From Los Angeles Times ● Nov. 22, 2024
Child I's mother suggested senior managers should face sanctions if they ignore whistleblowers' concerns.
From BBC ● Sep. 19, 2024
“Mama hear me hollering and drop her load and run just as hard out at me. I feels like I’s swimming I’s looking through so many tears.”
From "Elijah of Buxton" by Christopher Paul Curtis
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 sort of thing worth the hassle?
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 he was asking to be connected to the man who had just attacked me?
From "The Brightwood Code" by Monica Hesse
"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
The deputy chief told Boyd that Spivey’s body was towed “to make sure that every i’s dotted, t’s crossed to clear you.”
From The Wall Street Journal ● Dec. 21, 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
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
CPAs, those folks who can add columns of 9s in their heads, have been advising MDs since the 1980s to dot their i’s, cross their t’s, and never accept IOUs.
From "Woe Is I" by Patricia T. O'Conner
It is the fourth time Long Mead Local Wildlife Site, at Swinford in Oxfordshire, has been flooded because of a mains failure.
From BBC ● Sep. 18, 2026
The rare habitat is home to deep-rooting wild flowers and grasses like great burnet and devil's-bit scabious.
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
He argued that it fed the dream that it could lead to greater riches for a population that is often battling to make ends meet.
From BBC ● Sep. 17, 2026
She can’t really hear God’s voice booming through the trees, but she pretends she does, because she’s imagining that she is Joan of Arc.
From "At Last She Stood" by Erin Entrada Kelly
"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
“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
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
"And we will continue to uphold it going forward."
From Barron's
In our time, we read about hypothermia killing mountain climbers, or sailors who fall into cold water.
From "Phineas Gage" by John Fleischman
"He came with his football - the way he wants to play and the high intensity which I think will benefit me, the club and the way the club wants to play football," added Isak.
From BBC ● Sep. 18, 2026
“It was quite an image that is very vivid to me right now.”
From Los Angeles Times ● Sep. 18, 2026
"Ed is absolutely the right leader," she tells me.
From BBC ● Sep. 18, 2026
“It gives me goosebumps that people can still find something in common and work together,” McCarthy said.
From The Wall Street Journal ● Sep. 17, 2026
“More ways than anyone can count. When I couldn’t walk anymore, he carried me. He taught me that a man can strike out on his own.”
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
The Government wants us all to start preparing for severe disruption to our lives.
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
Sunday will tell us much about the way of things between the Glasgow giants.
From BBC ● Sep. 17, 2026
Watching him scoop mush, spoonful after spoonful, makes us happy.
From "Will’s Race for Home" by Jewell Parker Rhodes
In a recent case, a patient of mine learned through his portal that his previously cured cancer had returned and metastasized.
From The Wall Street Journal ● Sep. 17, 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
On April 19, it struck a British mine and sank.
From Science Daily ● Sep. 14, 2026
Launched five years ago, the project is based at the former Nant Helen opencast coal mine near Ystradgynlais, Powys.
From BBC ● Sep. 12, 2026
He widens his stance, brings his face closer to mine, tucks a loose strand of hair behind my ear.
From "Red Flags and Butterflies" by Sheryl Azzam
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’re getting to the point where my solutions are starting to disappear,” she said.
From The Wall Street Journal ● Sep. 18, 2026
“The fact that my daughter was involved and was the cause of it is just extremely disturbing,” she told the outlet.
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
I smile even wider as Father pats my back.
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
Nick Robinson has a conversation with, not an interrogation of, the people who shape our political thinking about what shaped theirs.
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
In my head, Jacqueline and I were the same: We loved music so much, we made it our breath.
From "Split the Sky" by Marie Arnold
"MSF's work in Sudan is privately funded. But when funding disappears from other health services, clinics close, patients have fewer places to go, and pressure shifts to the facilities that remain, including ours."
From BBC ● Sep. 8, 2026
The messages prompted a quick response from the state’s governor, Democrat Michelle Lujan Grisham, who said that “New Mexico’s name isn’t up for debate—it’s been ours since before the United States existed.”
From The Wall Street Journal ● Sep. 7, 2026
Dolly was one of us, ours, but of course she was also much more.
From Salon ● Aug. 26, 2026
It’s offensive because cases like ours could have been settled for significantly less than what the verdict is.”
From Los Angeles Times ● Aug. 22, 2026
Our neighbor’s house had a larger yard than ours, with what looked like good grass.
From "Lawn Boy" by Gary Paulsen
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.
