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
-
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:
"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 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
I want you to see the best version. i bet it’s great already.
From "The Serpent King" by Jeff Zentner
“I take my dream very seriously,” Luke said, “and I just try and do everything I can possible on and off the field to make my dream come true.”
From Los Angeles Times ● Sep. 17, 2026
"I think we're forced to feel more American simply by the influences that we have," Stainton added.
From BBC ● Sep. 17, 2026
“In real terms, they were nearly as bad as after World War I and World War II and in the 1970s,” wrote a Goldman strategy team led by Christian Mueller-Glissmann.
From MarketWatch ● Sep. 17, 2026
“Before every game, no matter what team I was on at the time, the coach would always ask the most devout player to say a prayer.”
From The Wall Street Journal ● Sep. 17, 2026
“Belle can only pull so much,” I say, anguished.
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 old ‘Minor Declensions’ had begun to pass over into the vocalic, especially into the i- and a-, declensions in the oldest OHG.
From A Middle High German Primer Third Edition by Joseph Wright
Letters and proclamations were at the same time dispersed by Ashton, in-212--vol i- which the name of Elizabeth was employed without scruple.
From Memoirs of the Court of Queen Elizabeth by Lucy Aikin
Then came Thomas Cobham, whom sir Thomas Poins took in, and said; 'Alas, master Cobham, what wind headed you to work such-160--vol i- treason?'
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
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
Vol. ii. pt. i., by L. Nix and W. Schmidt, contains the Mechanics in Arabic, Greek fragments of the same, the Catoptrica in Latin with appendices of extracts from Olympiodorus, Vitruvius, Pliny, &c.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various
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
Even a retreat that flops can draw employees closer while they commiserate over its lameness, adds Michael I. Norton, a Harvard Business School professor who has studied group rituals.
From The Wall Street Journal ● Jul. 23, 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
“So am I. Why don’t you go out and see what you can find for us.”
From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri
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
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
Every Esperanto verb has three Moods—the Conditional, the Imperative, and the Infinitive, which are formed respectively by means of the endings -us, -u, and -i.
From Esperanto Self-Taught with Phonetic Pronunciation by William W. Mann
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 medieval Cloth Hall and St. Martin’s Church were two of the most prominent monuments in Ypres, Belgium, and among World War I’s early casualties.
From The Wall Street Journal ● Jul. 15, 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
“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
In a statement read to the public inquiry examining how Letby was able to attack babies, Child I's mother said: "I believe the doctors and nursing staff should have acted earlier."
From BBC ● Sep. 19, 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 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 rise too much or not enough?
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
“And consider this possibility: Is believing you’re selfish one of your automatic negative thoughts?”
From "Red Flags and Butterflies" by Sheryl Azzam
"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
“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
"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
At Swarthmore, Libbi got all A’s and B’s and started to spell her name with two i’s.
From "Woe Is I" by Patricia T. O'Conner
“It doesn’t matter which game it is, how easy or how tough it is, he had the same focus.”
From Los Angeles Times ● Sep. 17, 2026
Her latest sci-fi book, Exit Party, is no exception.
From Slate ● Sep. 17, 2026
"The delegation will be under travel restrictions and will face prohibitions on the purchase of luxury and other goods per our policy. The delegation is smaller than last year."
From BBC ● Sep. 17, 2026
Cloobeck, 64, is a one-time California gubernatorial candidate and a well-known figure in Democratic politics.
From Los Angeles Times ● Sep. 17, 2026
She is happy, content, and comfortable, but another feeling twists underneath.
From "At Last She Stood" by Erin Entrada Kelly
“Yes, we are a fire agency, but at the end of the day, we are a service industry,” he said.
From Los Angeles Times ● Sep. 17, 2026
In other words, we have a larger, more destructive array of cyberattack tools.
From Slate ● Sep. 17, 2026
Brisbane 2032's chief executive has said organisers are making contingency plans "as we would for any venue".
From BBC ● Sep. 17, 2026
“In pop culture, we have introduced an entirely new fandom experience and destination that leans into things like trading cards and collectibles, but also exclusive collaborations, into one cohesive experience,” Sylvester said.
From MarketWatch ● Sep. 17, 2026
When we were done helping her clean, she picked up her basket of pea pods and told me to follow her out to the backyard.
From "Split the Sky" by Marie Arnold
"Part of me wants to talk about it and then part of me doesn't, because I feel like my words get twisted or people are like 'oh, she's making excuses'," Hodgkinson said.
From BBC ● Sep. 17, 2026
These records help me to be more prepared with questions for my doctor.
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
They both have steady jobs in public services — normal, working-class people like me and my husband.
From MarketWatch ● Sep. 17, 2026
Tell me what enemy taunted him and Grandpa.
From "Will’s Race for Home" by Jewell Parker Rhodes
“She called us, bawling, and we were loading the dog, comforting her,” Dowd said.
From Los Angeles Times ● Sep. 17, 2026
"I'm trying to be strong for our daughter, but I'm constantly wondering if he's OK and how to get him back home to us," she said.
From BBC ● Sep. 17, 2026
He kept us close to the business but let us be free to do whatever we wanted.
From The Wall Street Journal ● Sep. 17, 2026
Much of my life is dedicated to preaching that art, and practicing reverence for it can be the glue that keeps us together when the world wants us torn apart.
From Salon ● Sep. 17, 2026
But some of us don’t have a choice.
From "Split the Sky" by Marie Arnold
A major new copper mine takes 15 to 20 years to get up and running.
From The Wall Street Journal ● Sep. 16, 2026
“La Opinión helped families like mine stay informed about what was happening in our communities and gave Spanish-speaking Angelenos a voice,” she said in a written statement.
From Los Angeles Times ● 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
And if his were gone, mine could not be far behind.
From "The Teacher’s Funeral" by Richard Peck
“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
For your evening enjoyment, my colleagues have some ideas about what to focus on instead.
From Slate ● Sep. 17, 2026
"Part of me wants to talk about it and then part of me doesn't, because I feel like my words get twisted or people are like 'oh, she's making excuses'," Hodgkinson said.
From BBC ● Sep. 17, 2026
I studied architecture because that was my passion.
From The Wall Street Journal ● Sep. 17, 2026
By now, she says, the horrors of World War II “stand out in a kaleidoscopic pattern in my memory.”
From "At Last She Stood" by Erin Entrada Kelly
“When someone in our community needs help, we help them.”
From Los Angeles Times ● Sep. 17, 2026
"I'm trying to be strong for our daughter, but I'm constantly wondering if he's OK and how to get him back home to us," she said.
From BBC ● Sep. 17, 2026
“We’re always forecasting across our operations, and we regularly produce and revise numerous versions of planning documents,” Steve Kelly, an Amazon spokesperson, said in a statement.
From MarketWatch ● Sep. 17, 2026
In our Sept. 1 op-ed, we argued that the purpose of development banks is development: less poverty, hunger and death among the world’s poor.
From The Wall Street Journal ● Sep. 17, 2026
“I defended our land. I can raise horses.”
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
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
"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
How could she bring him into the secrets and adventures that were supposed to 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.
