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:
The i Paper says it was the "day that changed the world".
From BBC ● Sep. 11, 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
She raised her quill and dotted an i so ferociously that she punctured a hole in her parchment.
From "Harry Potter and the Half-Blood Prince" by J.K. Rowling
And I was like, ‘Wow, that’s a really big deal!’
From Los Angeles Times ● 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 support Michigan because I want the team to win—not because I expect anything in return.”
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
“People of the Philippines, I have returned,” General MacArthur says.
From "At Last She Stood" by Erin Entrada Kelly
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
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
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
The-207--vol i- success of this collection was prodigious; edition after edition was given to the public under the inspection of different poetical revisers, by each of whom copious additions were made to the original work.
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
Footnote 4: Barros, Dec. i. lib. i. cap.
From Agincourt The Works of G. P. R. James, Volume XX by G. P. R. (George Payne Rainsford) James
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
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
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
Pearl diving has all but disappeared, particularly after the mass production of cultured pearls on farms after World War I. In Gulf countries, the extinction of this profession converges with a familiar story.
From The Wall Street Journal ● Aug. 6, 2026
He also urged them not to allow partnerships between large corporations and the military, the way the German scientific community and government did with I. G. Farben and Krupp Armaments and Steel.
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
We were the talk of the ship, even Louise and Beatrice and I. Being, as we were, Cranstons ourselves.
From "Secrets at Sea" by Richard Peck
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
I E -i formed abstracts and nouns of agency; I E ar go; Min ari, way, track, trail.
From The Dakotan Languages, and Their Relations to Other Languages by A. W. (Andrew Woods) Williamson
Oncus -i: a welt: applied to welt-like ridges on caterpillars.
From Explanation of Terms Used in Entomology by John. B. Smith
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
“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
“Mae Mobley, you know I’s just teasing you, about all them seventeen kids being mine? They ain’t really. I only had me one child.”
From "The Help" by Kathryn Stockett
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 this market like 1999 all over again?
From The Wall Street Journal ● Sep. 15, 2026
Is it vertical applications like Harvey for legal or Cursor for coding?
From MarketWatch ● Sep. 15, 2026
Is there any way I’ve got the wrong day?
From "Code Name Kingfisher" by Liz Kessler
"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
I care that you dot your i’s, you cross your t’s, that if you say you’re going to do something, you do it.
From The Wall Street Journal ● Mar. 12, 2026
“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
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
This is some way off the UK's September temperature record, though, which stands at 35.6C, set in 1906 at Bawtry in South Yorkshire.
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
The southern half of the UK is likely to be more cloudy and have a muggy feel with the chance of light rain and drizzle.
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
One of the first things she writes is an essay about what it means to live in a small, confined community where you interact with the same people every day of your life for years.
From "At Last She Stood" by Erin Entrada Kelly
“The further we move from an FDA-approved indication, the higher the bar should be,” she says.
From The Wall Street Journal ● Sep. 18, 2026
“Do we hold bars responsible for the things drunk people do on public sidewalks?”
From Los Angeles Times ● Sep. 18, 2026
“His art became part of American culture, but the man behind that art — the father we knew and loved — is the person we will miss most.”
From Los Angeles Times ● Sep. 17, 2026
"The underlying algorithms that we were using for most of these robotic simulations they hark back to the 1970s and 1980s, but those algorithms are not really brilliant fits for GPUs," Storey says.
From BBC ● Sep. 17, 2026
Perhaps we can refuse to line up, Gertie thinks desperately.
From "At Last She Stood" by Erin Entrada Kelly
“It was quite an image that is very vivid to me right now.”
From Los Angeles Times ● Sep. 18, 2026
He said: "I am grateful for the opportunity to respond, but I remain committed to the ongoing trust investigation, and it would be inappropriate for me to discuss this whilst proceedings are ongoing."
From BBC ● Sep. 17, 2026
This summer it occurred to me that my understanding of alignment might be wrong.
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
Strange, Father sharing his fear makes me feel loved, stronger.
From "Will’s Race for Home" by Jewell Parker Rhodes
"I think he's holding us back," said one of the party's spokespeople who is planning a tilt at the leadership if a race is triggered.
From BBC ● Sep. 18, 2026
“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 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
Some of the women tell us they have had formal apologies from the trust, but all say that, more than anything, they want answers as to who was responsible for the failures in their care.
From BBC ● Sep. 17, 2026
No rifle to hunt or protect us from wild animals.
From "Will’s Race for Home" by Jewell Parker Rhodes
A major new copper mine takes 15 to 20 years to get up and running.
From The Wall Street Journal ● Sep. 16, 2026
“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
On April 19, it struck a British mine and sank.
From Science Daily ● Sep. 14, 2026
As I handed mine to the officer, she pointed to the simple gold ring that had belonged to Mama.
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
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
“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
“My ever increasing involvement and identification with the poor only continues to widen the gap between my obedience to religious authority and my own understanding of what my life as a Christian must entail.”
From Los Angeles Times ● Sep. 18, 2026
“I’ve got this paper that states my claim. This land is mine. Not yours.”
From "Will’s Race for Home" by Jewell Parker Rhodes
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
“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
"We also plan to stay here our whole lives," George adds, explaining that they are prepared to ride out any dips in the property market.
From BBC ● Sep. 17, 2026
It also turns the leaders of the AI companies into Lewis and Clark in coonskin caps with parchment maps, bravely surveying our country that it might understand its true size.
From The Wall Street Journal ● Sep. 17, 2026
I look about our small camp—Belle and Midnight tied side by side; Father and Caesar, the fire between them, sitting across from each other.
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
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
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
"Back then, the settlers were living alongside us, and we coexisted peacefully. They lived their lives and we lived ours," he told me.
From BBC ● Aug. 21, 2026
I’d figured once we had a good egg, that’d be it, and the money would be ours.
From "The Science of Breakable Things" by Tae Keller
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.
