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  

[jay] / 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  

/ 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 ² 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 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

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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

Choose a value from 0 to 9 for i, j and k.

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

“The Second Sons have no place for mummers,” the bravo j in pink said scornfully.

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

But it didn't stop about 30 hardcore fans turning out for the latest release of author Sarah J Maas’ romantasy series, A Court of Splintered Harmony, in Carrickfergus, County Antrim.

From BBC ● Oct. 27, 2026

Police identified the gunman as Griffin J John II - a former pupil who had attended special education classes at the school.

From BBC ● Oct. 23, 2026

The effects are rippling into the broader global economy, and the pain is acutely felt at truck stops like the Flying J in Orange, Texas, where diesel hovered around $6.26 a gallon on Thursday.

From The Wall Street Journal ● Oct. 5, 2026

Nowhere is the impact more obvious than at the Flying J, just over the border from Louisiana at the crossroads of a U.S. consumer economy that runs on diesel.

From The Wall Street Journal ● Oct. 4, 2026

I brace myself, but luckily, Aunt J comes to the rescue.

From "Split the Sky" by Marie Arnold

Taylor’s opponent is state Rep. Justin J. Pearson, a 31-year-old Black Democrat who has taken a very different approach to what the district needs.

From Salon ● Oct. 28, 2026

“I think about personal-finance education as preventative medicine,” said Montana State University economics professor Carly Urban, who co-authored the report with J. Michael Collins.

From MarketWatch ● Oct. 26, 2026

“It definitely feels like people are taking notice of the fact that Mary J. Blige is one of the most important performers in R&B history,” she says.

From Los Angeles Times ● Oct. 23, 2026

Daniel J. Sullivan received 4,107 votes in the primary, roughly 2.5% of the total.

From The Wall Street Journal ● Oct. 23, 2026

I wave goodbye to Aunt J. The woman at the door asks me to sign in and then directs me to the classroom at the end of the hall.

From "Split the Sky" by Marie Arnold

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

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

From Salon ● Dec. 30, 2024

The plea turned out to be a key factor in J & J’s July decision to increase bereavement leave from five days — the average across corporate America — to 30.

From Seattle Times ● Dec. 15, 2023

We hear Aunt J’s footsteps as she makes her way to us in the dining room.

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 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

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

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

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

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

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