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

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

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

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

Up top they found a tunnel as long as Winterfell’s great hall j though no wider than the wormways.

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

The report went on to recount that the Emirati leader relayed the conversation he had with Netanyahu to the then CIA director William J Burns.

From BBC ● Sep. 10, 2026

And because J comes before S, the teacher will be listed above the senator on the ballot.

From The Wall Street Journal ● Sep. 10, 2026

George Shelley joined as the group's fourth member during the competition and the band, renamed Union J, went on to finish fourth under judge Louis Walsh.

From BBC ● Sep. 6, 2026

He took me to the Arthur J and ordered an expensive bottle of French red wine and paid for our meal with cash.

From Los Angeles Times ● Aug. 28, 2026

But she thinks Aunt J did a good job wrangling my hair into an even, sculpted low fade.

From "Split the Sky" by Marie Arnold

"Paradoxically, by placing additional constraints on the unknown absorber, we might have made the mystery even more intriguing," said Janusz J. Petkowski of Wroclaw University of Science and Technology, Poland.

From Science Daily ● Sep. 13, 2026

Dan J. Sullivan Jr.’s sudden interest in high office has created a conundrum for 61-year-old Republican Sen. Dan S. Sullivan, who is waging a close battle with Democratic challenger Mary Peltola.

From The Wall Street Journal ● Sep. 10, 2026

Like the Broad, the Norton Simon, Hammer and J. Paul Getty museums, the Lucas Museum is built around a founder’s collection and cultural vision.

From Los Angeles Times ● Sep. 9, 2026

District Judge J. Michael Seabright to reconsider his prior ruling.

From Los Angeles Times ● Sep. 5, 2026

Still, he emerged as if he were a modern-day Mark Twain or a J. D. Salinger.

From "Endgame" by Frank Brady

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

Belgium, who are yet to play, are Group J's top seeds, with Wales second and North Macedonia third seeds, while lowly Kazakhstan and Liechtenstein complete the group.

From BBC ● Mar. 22, 2025

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

From Salon ● Dec. 30, 2024

Her interest in hip-hop stretches back at least to her first time hearing LL Cool J’s debut album, “Radio,” in 1985, and its influence was sometimes felt in her work with Sonic Youth.

From Los Angeles Times ● Mar. 25, 2024

There’s no telling what would fly out of Aunt J’s mouth if she were here.

From "Split the Sky" by Marie Arnold

I think he’s one of the most underrated spiritual voices in the city, and he’s a pastor who wears Js, so that’s just kind of cool in itself to get the word like that.

From Los Angeles Times ● Sep. 26, 2025

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

Guys were raining Js from deep, doing spin moves through the lane and throwing down in traffic.

From "We Were Here" by Matt De La Peña

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

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

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

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

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

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

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

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

From Time Magazine Archive

A scene in which the young man fancies he js in communication with the shade of Millhouser's mother is as embarrassing as any in recent fiction.

From Time Magazine Archive

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