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

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

Mully had the keys for the j three gates, where bars of black iron as thick as a man’s arm closed off the passage.

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

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

Armed with his new Flying J loyalty rewards card that earns him free showers after purchasing 1,000 gallons, he was unbothered by record prices.

From The Wall Street Journal ● Oct. 4, 2026

She also collaborated with Milo J on “Llora Llora” — a folksy lullaby off the Argentine rapper’s masterpiece “La Vida Era Más Corta.”

From Los Angeles Times ● Sep. 29, 2026

Over the years, music and dancing have figured prominently in Gap’s advertising, whether it was models in khaki pants dancing to swing or performances by Madonna, Missy Elliott, LL Cool J and Aerosmith.

From The Wall Street Journal ● Sep. 22, 2026

“Good,” Dad says as Aunt J joins us.

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

Listeners fall for his roughed-up delivery—like a Yankee fan in a faerie realm—as they devour the steamy novels by Sarah J. Maas.

From The Wall Street Journal ● Oct. 26, 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

One of the four candidates on the ballot is Dan J. Sullivan, not to be confused with Sen. Dan S. Sullivan.

From Slate ● Oct. 24, 2026

I didn’t know who J. R. was, and I didn’t care.

From "The Million Dollar Shot" by Dan Gutman

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

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

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

I wanted a vowel between those two J’s, but Branwell blinked twice, telling me that JJ was right.

From "Silent To The Bone" by E.L. Konigsburg

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

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

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

There are twenty-four j's in it, and seventeen g's, so you may imagine that it is difficult.

From Five Mice in a Mouse-trap by the Man in the Moon. by Addie Ledyard

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 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

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

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