Jump To:

• j
  j

  a unit vector on the y-axis of a coordinate system.
• J
  J

  noun

  the tenth letter of the English alphabet, a consonant.
• J.
  J.

  abbreviation

  Jack.

j

¹ American  

Symbol.

1. Mathematics. a unit vector on the y-axis of a coordinate system.

2. Engineering. the imaginary number .

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J ² American  

[jey] / dʒeɪ /

Or j

noun

• J's,
  plural
• Js,
  plural
• j's,
  plural
• js
  plural

1. the tenth letter of the English alphabet, a consonant.

2. any spoken sound represented by the letter J or j, as in just, major, or rajah.

3. something having the shape of a J .

4. a written or printed representation of the letter J or j.

5. a device, as a printer's type, for reproducing the letter J or j.

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J ³ American  

abbreviation

1. Jewish.

2. Physics. joule; joules. Also j

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J ⁴ American  

Symbol.

1. the tenth in order or in a series.

2. (sometimes lowercase) the medieval Roman numeral for 1.

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J. ⁵ American  

abbreviation

1. Cards. Jack.

2. Journal.

3. Judge.

4. Justice.

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j ¹ British  

symbol

1. maths the unit vector along the y -axis

2. Also called: i.  obsolete the imaginary number √–1

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j ² British  

/ dʒeɪ /

noun

1. the tenth letter and seventh consonant of the modern English alphabet

2. a speech sound represented by this letter, in English usually a voiced palato-alveolar affricate, as in jam

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J ³ British  

symbol

1. cards jack

2. joule(s)

3. current density

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abbreviation

1. Japan (international car registration)

J Scientific  

1. Abbreviation of joule

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Other Word Forms

Noun Inflected Forms

• J's
  plural
• Js
  plural
• j's
  plural
• js
  plural

Example Sentences

See Examples For:

j J J. J's Js j's js

The memes typically used goofy broken English to reveal the inner thoughts of Kabosu and other shiba inu "doge" - pronounced like pizza "dough" but with a "j" at the end.

From BBC ● May 24, 2024

With these new values for i, j and k, continue the algorithm at step 2.

From Scientific American ● Oct. 24, 2023

Repeat this algorithm for all one-digit numerical values of i, j and k, and the result will always be either a happy or a sad number.

From Scientific American ● Oct. 24, 2023

Trubisky j oined the Steelers in March 2022 after a stint backing up Josh Allen in Buffalo.

From Washington Times ● May 19, 2023

“The dragons won’t care about your blood, except maybe how it tastes. You cannot tame j a dragon with a history lesson. They’re monsters, not maesters. Quent, is this truly what you want to do?”

From "A Dance with Dragons" by George R. R. Martin

Bad Bunny and J Balvin went no further beyond “Oasis.”

From Los Angeles Times ● Aug. 11, 2026

Profit from Berkshire’s portfolio of manufacturing, service and retailing businesses—a group that includes industrial metal components, Duracell batteries and Flying J fuel stations—jumped 24% to $4.47 billion.

From The Wall Street Journal ● Aug. 8, 2026

Since then, El Malilla has expanded the scope of reggaeton Mexa following collaborations with Puerto Rican pioneers such as Jowell y Randy and Colombian superstar J Balvin.

From Los Angeles Times ● Jul. 20, 2026

Houses in Band J face a potential increase to about £7,651.

From BBC ● Jul. 6, 2026

Dad tells Aunt J and Arlo what happened in the car.

From "Split the Sky" by Marie Arnold

Within a few decades, railroad fortunes like those of Jay Gould, E. H. Harriman, James J. Hill and Cornelius Vanderbilt were among the largest in the country.

From The Wall Street Journal ● Aug. 2, 2026

Inside the exhibit hall I ran into actor Sam J. Jones, the former football player who played Flash Gordon back in 1980.

From Salon ● Jul. 31, 2026

Tremors are a common symptom of Parkinson’s disease, which also notably afflicts “Back to the Future” star Michael J. Fox.

From Los Angeles Times ● Jul. 27, 2026

Regret is often an internal signal that a behavior was inconsistent with our goals or values, says J. Kim Penberthy, a professor of psychiatry and neurobehavioral sciences at the University of Virginia.

From MarketWatch ● Jul. 24, 2026

I am embarrassed to admit that I wrote a poem for Kelly J. for Valentine’s Day—not embarrassed that I wrote it, but embarrassed that I gave it to someone so mean.

From "Everything Sad Is Untrue" by Daniel Nayeri

In Group J's other match, second-placed Wales also ran up seven goals as they beat North Macedonia 7-1 with Harry Wilson scoring a hat-trick of set-piece goals.

From Barron's ● Nov. 18, 2025

“Ray J’s public statements are blatantly false,” the lawsuit says.

From Los Angeles Times ● Oct. 2, 2025

Next for Wales is Tuesday's trip to North Macedonia, who started their campaign with a 3-0 win over Group J's bottom seeds Liechtenstein.

From BBC ● Mar. 22, 2025

But the most recognizable example is LL Cool J's "Father."

From Salon ● Dec. 30, 2024

“The basketball court,” I mumble, staring at my J’s.

From "The Hate U Give" by Angie Thomas

I’m out there in some Artful Dodger, LRG and Evisus with the Js — hood classics, you feel me?

From New York Times ● Jan. 19, 2022

Jackie was for the three Js — John, Jim and Jesse — while Lee was for Lyn.

From Washington Post ● Jul. 11, 2020

Same solid drives, same high, metronomic dribble, same deadening retinue of mid-range Js.

From The New Yorker ● Oct. 25, 2019

With a single letter distinguishing their first names, they're referred to collectively as "the Js" by cast and crew.

From Los Angeles Times ● Mar. 21, 2018

“The rest, eh, Pip?” said Joe, looking at it with a slow, searching eye, “One, two, three. Why, here’s three Js, and three Os, and three J-O, Joes in it, Pip!”

From "Great Expectations" by Charles Dickens

Those throaty "j's" and growled "g's" have long found their truest expression in the music that's synonymous with Spain – flamenco.

From The Guardian ● Jun. 19, 2012

I did manage, however, to find our boat's address and the name of the caretaker, both of which I had on a piece of paper with loose "i's" and "j's" scattered thickly through every word.

From The Chauffeur and the Chaperon by Karl Anderson

She said that we could find enough to do minding our p's and q's in life, without quarreling over "i's" and "j's"; so the argument ended, and the girls turned their attention to making tea.

From The Chauffeur and the Chaperon by Karl Anderson

The national song of the Basques, a matter of some dozen stanzas, written principally in "j's," "rr's," and "tz's," takes its theme, if one may trust the Castilian translation, from this symbolic oak.

From Spanish Highways and Byways by Katharine Lee Bates

The harbor-master pronounced his r's very much like j's.

From The Fourth Estate, vol.1 by Armando Palacio Vald?s

I love the html and js side of the web, but when it comes to CSS, I can design as well as John McCain can pick a running-mate.

From Forbes ● Aug. 16, 2012

But the Brody kids are remarkably well-cast too, and I like how the script and Morgan Saylor’s performance left it open to interpretation js how much she really did or didn’t believe Carrie.

From Time ● Dec. 19, 2011

In the middle all js speed: bugles blow there, stallions leap, and the beards of riding Khans shake out like flame along a wind of fruits and blossoms.

From Time Magazine Archive

These were the first steps toward establishing the security which js M.G.'s chief job.

From Time Magazine Archive

He js "much embarrassed," but listens respectfully, then makes a little speech.

From Time Magazine Archive