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
-
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
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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
-
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:
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
In Friday’s interview, Seven & i also gave an update on its plan to list 7-Eleven Inc., a move aimed at unlocking shareholder value and streamlining its business structure.
From The Wall Street Journal ● Oct. 9, 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
The i says a "blunder over funding teacher pay rises" means school budgets are "set for squeeze".
From BBC ● Oct. 7, 2026
You put a heart above the i in your name, like you did all through middle school.
From "P.S. I Miss You" by Jen Petro-Roy
As a young professional, my trick ankle gave out and I collapsed in front of my boyfriend, Drew, in the parking lot of a TV studio in Hollywood.
From Los Angeles Times ● Oct. 23, 2026
“It’s my trick ankle,” I moaned, adding that I’d had this surgery before, after a snow skiing accident in my late 20s.
From Los Angeles Times ● Oct. 23, 2026
I’d been a gymnast and cheerleader in my youth, and I still wanted to be able to do cartwheels.
From Los Angeles Times ● Oct. 23, 2026
Two weeks post-op, I started physical therapy, and as the weeks passed, I felt more and more like myself.
From Los Angeles Times ● Oct. 23, 2026
“I love you, Ma,” I shout, but the wind and the rattling wheels sweep my words away.
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
The king's marriage with Catherine Parr, his wife's sister, increased his consequence, and Henry-269--vol i- on his death-bed appointed him one of his executors and a member of the young king's council.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
Of the higher gentry, however, there were considerable numbers who-157--vol i- either went and established themselves in the protestant cities of Germany, or passed away the time in travelling.
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
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
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
As defined by Cicero, the Stoics, St. Paul, and Butler, 83 Consequences, remote, weakness of the utilitarian doctrine of, i. 42-44 “Consolations,” literature of, leading topics of, i.
From History of European Morals From Augustus to Charlemagne (Vol. 2 of 2) by William Edward Hartpole Lecky
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
Jonathan I. Shenkman is president and chief investment officer of ParkBridge Wealth Management.
From The Wall Street Journal ● Oct. 4, 2026
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
“Much better not,” said I. “I understand you.”
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
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
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
Verbs in -i add -ua to the final syllable.
From The Mafulu Mountain People of British New Guinea by Robert Wood Williamson
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
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
“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
Mr. Leroy said, “Long’s it don’t delay nothing, I’s listening.”
From "Elijah of Buxton" by Christopher Paul Curtis
Is it possible to do something similar now that I am retired?
From MarketWatch ● Oct. 23, 2026
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
His therapy sessions raised questions like, “What does it mean to take your anger from childhood all the way into adulthood? Is that a kind of cancer?”
From The Wall Street Journal ● 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
“Why are you so anxious? Is it Grace? Are you still struggling with that piece you’ve been working on?”
From "Split the Sky" by Marie Arnold
Now, there are still some t’s to cross and i’s to dot.
From Slate ● Oct. 3, 2026
In one of our final negotiation sessions, when we’re supposed to be dotting i’s and crossing t’s, he worries aloud about how these two vastly different companies are going to mesh their different cultures.
From The Wall Street Journal ● Sep. 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
"Your proposal does not adequately acknowledge the multiple and significant challenges such a transaction would face from US competition law enforcement agencies," Seven & i's letter added.
From BBC ● Sep. 5, 2024
I recognized your tiny handwriting right away, all wobbly and with those weird loops you put on top of your t's and i's.
From "When You Reach Me" by Rebecca Stead
"That's one of the reasons this work is so exciting."
From Science Daily ● Oct. 23, 2026
Although that is much slower than an Olympic swimmer, who can travel up to 65 body lengths per minute, it is comparable to the swimming pace of a cow shark moving leisurely through the ocean.
From Science Daily ● Oct. 23, 2026
Understanding how this signaling network is organized could eventually change how certain neurological and mental health conditions are treated.
From Science Daily ● Oct. 23, 2026
Dopamine is another major chemical messenger that sends signals to the basal ganglia, a brain region involved in forming habits.
From Science Daily ● Oct. 23, 2026
How and when her parents died is lost to history.
From "At Last She Stood" by Erin Entrada Kelly
"If we shine a light on just one, only that muscle moves. If shining on both, they both flap."
From Science Daily ● Oct. 23, 2026
When we got back in the car, Drew was officially my fiancé.
From Los Angeles Times ● Oct. 23, 2026
"At the start of the season it was made clear in interviews we wanted to be an aggressive attacking team. We are not there yet, we're still working it out."
From BBC ● Oct. 23, 2026
"And we wanted to optimize all these parameters to support live muscle cells."
From Science Daily ● Oct. 23, 2026
Specific areas of the brain do control specific functions and behaviors, but it's not always as "logical" as we would imagine.
From "Phineas Gage" by John Fleischman
“His understanding of the crisis has made it so vivid for me in a way that is unignorable,” she said.
From Los Angeles Times ● Oct. 23, 2026
"Sometimes it takes me longer to take a website down than to fix the PHP problem."
From BBC ● Oct. 23, 2026
To further aid me in my age acceptance campaign, I started to affectionately refer to my birthday as my “Double Nickels.”
From Los Angeles Times ● Oct. 23, 2026
“About fifty people came and talked to me, and bought copies ‘In the Country of Women,’ my memoir published by Catapult, and ‘Sacrament,’ my latest novel, published by Counterpoint.
From Los Angeles Times ● Oct. 23, 2026
“Be mad at me, George. This is my fault. My injury distracted you.”
From "Will’s Race for Home" by Jewell Parker Rhodes
"The underwater location allows us to implement systematic, large-scale surveys," Seama explains.
From Science Daily ● Oct. 23, 2026
The World Series is upon us, yet the strange national obsession is not about how Jacob Misiorowski or Junior Caminero might shine, but how many people might watch it.
From Los Angeles Times ● Oct. 23, 2026
This is when our brain makes us think the Moon looks bigger because it is viewed alongside objects on the horizon such as buildings and trees.
From BBC ● Oct. 23, 2026
“Management’s focus on the bottom line leaves us less confident in a speedy turnaround story.”
From The Wall Street Journal ● Oct. 23, 2026
Dad is doing something he rarely does—explain his actions to us.
From "Split the Sky" by Marie Arnold
Dad told me more than once that the house would be mine someday.
From MarketWatch ● Oct. 23, 2026
Hudbay Minerals and Mitsubishi approved construction of a major copper mine in the U.S.
From The Wall Street Journal ● Oct. 22, 2026
“My job is to mine all that, to go to the sub-basement.”
From Los Angeles Times ● Oct. 21, 2026
Today, "the main challenge is ensuring security of supply outside of China. This makes our project an important part of the equation," said Kevin Pallas, head of Group 6 Metals, which owns the mine.
From Barron's ● Oct. 21, 2026
At last Betsie’s and mine were called: “Prisoner 66729, Prisoner 66730.”
From "The Hiding Place" by Corrie ten Boom
As a woman in her 50s living in youth-obsessed Los Angeles, I was well aware of my age.
From Los Angeles Times ● Oct. 23, 2026
As soft sunlight slanted in through my car window, I realized I’d already passed the performance baton onto my teenage daughter Dayna.
From Los Angeles Times ● Oct. 23, 2026
As age acceptance pulsed through me, I made my decision: I would go with the meniscus-only option.
From Los Angeles Times ● Oct. 23, 2026
The guy I was crushing on helped me to my feet and became my college sweetheart.
From Los Angeles Times ● Oct. 23, 2026
Father stoops, pushing me flat, slipping a blanket beneath my head.
From "Will’s Race for Home" by Jewell Parker Rhodes
“In comparison to that study, our FDA trial reported a 52% reduction in symptoms, so more than a four-fold increase in efficacy,” Won said.
From Science Daily ● Oct. 23, 2026
“With every new store, our goal is to create a welcoming destination.”
From Los Angeles Times ● Oct. 23, 2026
This is when our brain makes us think the Moon looks bigger because it is viewed alongside objects on the horizon such as buildings and trees.
From BBC ● Oct. 23, 2026
“But we needed to believe in our own belief for quite a long time.”
From The Wall Street Journal ● Oct. 23, 2026
In our time, we control most epileptic symptoms with powerful drugs called "anticonvulsants," because uncontrolled seizures can cause their own brain damage.
From "Phineas Gage" by John Fleischman
The shame in this story was never his, and it was never ours.
From Salon ● Oct. 22, 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
I tracked down two New Jersey record stores whose sites said they’d purchase all types of albums, so we carted ours to them.
From MarketWatch ● Oct. 8, 2026
My eyes catch on the treehouse in the back, right between Dr. P’s yard and ours, where Jonah and I used to spend so many summer mornings.
From "Keeping Pace" by Laurie Morrison
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
