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  • jet
    jet
    noun
    a stream of a liquid, gas, or small solid particles forcefully shooting forth from a nozzle, orifice, etc.
  • JET
    JET
    acronym
    Joint European Torus; a tokamak plasma-containment device at Culham, Oxfordshire, for research into energy production by nuclear fusion
Synonyms

jet

1 American  
[jet] / dʒɛt /

noun

  1. a stream of a liquid, gas, or small solid particles forcefully shooting forth from a nozzle, orifice, etc.

  2. something that issues in such a stream, as water or gas.

  3. a spout or nozzle for emitting liquid or gas.

    a gas jet.

  4. jet plane.

  5. jet engine.


verb (used without object)

  • jets,
    present (3rd person singular)
  • jetted,
    past participle,  past
  • jetting
    present participle
  1. to travel by jet plane.

    to jet to Las Vegas for the weekend.

  2. to move or travel by means of jet propulsion.

    The octopus jetted away from danger.

  3. to be shot forth in a stream.

  4. to move or travel rapidly.

    The star halfback jetted toward the goal line.

verb (used with object)

  • jets,
    present (3rd person singular)
  • jetted,
    past participle,  past
  • jetting
    present participle
  1. to transport by jet plane.

    The nonstop service from New York will jet you to Tokyo in 13 hours.

  2. to shoot (something) forth in a stream; spout.

  3. to place (a pile or the like) by eroding the ground beneath it with a jet of water or of water and compressed air.

adjective

  1. of, relating to, or associated with a jet, jet engine, or jet plane.

    jet pilot; jet exhaust.

  2. in the form of or producing a jet or jet propulsion.

    jet nozzle.

  3. by means of a jet plane.

    a jet trip; jet transportation.

jet 2 American  
[jet] / dʒɛt /

noun

  1. a compact black coal, susceptible of a high polish, used for making beads, jewelry, buttons, etc.

  2. a deep black.

  3. Obsolete. black marble.


adjective

  1. consisting or made of jet.

  2. of the color jet; black as jet.

jet 1 British  
/ dʒɛt /

noun

  1. a thin stream of liquid or gas forced out of a small aperture or nozzle

  2. an outlet or nozzle for emitting such a stream

  3. a jet-propelled aircraft

  4. astronomy a long thin feature extending from an active galaxy and usually observed at radio wavelengths

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to issue or cause to issue in a jet

    water jetted from the hose

    he jetted them with water

  2. to transport or be transported by jet aircraft

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
jet 2 British  
/ dʒɛt /

noun

    1. a hard black variety of coal that takes a brilliant polish and is used for jewellery, ornaments, etc

    2. ( as modifier )

      jet earrings

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

JET 3 British  
/ dʒɛt /

acronym

  1. Joint European Torus; a tokamak plasma-containment device at Culham, Oxfordshire, for research into energy production by nuclear fusion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

jet Scientific  
/ jĕt /
  1. A rapid stream of liquid or gas forced through a small opening or nozzle under pressure.

  2. An aircraft or other vehicle propelled by one or more jet engines.

  3. A jet engine.


Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of jet1

First recorded in 1660–70; 1940–45 jet 1 for def. 4; from Middle French jeter “to throw,” from unrecorded Vulgar Latin jectāre, from Latin jactus, past participle of jacere “to throw”

Origin of jet2

First recorded in 1350–1400; Middle English jet(e), get(e), from Old French jaiet, gaiet, from Latin gagātēs, from Greek (líthos) gagā́tēs “Gagatic (stone),” named after Gágai, town in Lycia

Explanation

A jet is an airplane that can rapidly travel long distances. To jet is the act of getting somewhere quickly, by jet or any other way, as in, "Do you see what time it is? We better jet!" A jet is an aircraft that gets its power from jet engines rather than propellers. Jets are fast — that's probably why as a verb, jet means "to move quickly," either by taking a jet, like the celebrities who jet around the world, or the more ordinary "if I don't jet, I'll be late for school." Dishwashers and certain kinds of tubs have jets, tiny openings that push water out with great force. The streams of water are also called, you guessed it, jets.

Keep Reading on Vocabulary.com

Vocabulary lists containing jet

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:

Late last month in Denver, ICE officers arrested a woman on a jet bridge for a Southwest flight, an incident that was recorded on video and drew media attention.

From The Wall Street Journal Aug. 6, 2026

"Trabzon, are you ready? See you very soon," he said in a video onboard a private jet and posted on social media.

From BBC Aug. 5, 2026

“A bad reputation is better than no reputation,” said Pepper Rutland, the Tigers booster who provided the jet that whisked Kiffin to Baton Rouge.

From The Wall Street Journal Aug. 5, 2026

Heated stone floors and a circadian-rhythm-based lighting system to ease jet lag: These are among the ultraluxury amenities coming to Bond, a new members’ club offering access to private jets.

From The Wall Street Journal Aug. 4, 2026

“What is that noise? Is that a jet? Are you at the airport?”

From "A Heart in a Body in the World" by Deb Caletti

Once the experiments end, scientists will still have a lot to learn from JET.

From BBC Oct. 13, 2023

Last month, the 40-year-old JET started its final run of experiments before it is switched off for good at the end of the year.

From Science Magazine Sep. 7, 2023

Under the terms of JET, the country could, in theory, achieve "net zero" carbon emissions by 2050, offering a blueprint for other developing nations looking to go green.

From BBC May 23, 2023

The acquisition gives JET a foothold in the U.S. market, but the newly merged company is already facing pressure to sell off Grubhub as JET’s stock continues to tumble on the Amsterdam stock exchange.

From Washington Post Mar. 24, 2022

JET There is more difference between thy flesh and hers than between jet and ivory.

From Shakespeare and Precious Stones Treating of the Known References of Precious Stones in Shakespeare's Works, with Comments as to the Origin of His Material, the Knowledge of the Poet Concerning Precious Stones, and References as to Where the Precious Stones of His Time Came from by Kunz, George Frederick

Japanese jets scrambled 595 times in the year to March 31, 2026, including 366 sorties against Chinese aircraft and 214 for Russian planes.

From Barron's Aug. 4, 2026

Anduril has steadily expanded into nearly all facets of defense contracting, from jets to submarines and counterdrone systems.

From The Wall Street Journal Aug. 4, 2026

Flexjet currently has 340 jets in its network, and NetJets, more than 1,100.

From The Wall Street Journal Aug. 4, 2026

Ortberg told analysts last week he did not foresee problems with Boeing's supply chain in lifting monthly MAX production to 52 jets.

From Barron's Aug. 3, 2026

There are no jacuzzi bathtubs with massage jets or stone gargoyles guarding the front door.

From "South of Somewhere" by Kalena Miller

US President Donald Trump jetted into Malaysia on Sunday to oversee the signing of a Thailand-Cambodia ceasefire pact, after deadly cross-border clashes between the countries flared this summer.

From Barron's Oct. 26, 2025

And a special guest jetted in all the way from Colombia to be there.

From BBC Sep. 18, 2025

Olympic track and field trials in Eugene, Ore., Fisher even jetted back to his home in Park City, Utah, between events, before returning to the trials.

From The Wall Street Journal Sep. 11, 2025

And it has opened up a market for China, whose trade officials jetted to Brasilia just hours after Trump published his edict.

From Slate Aug. 1, 2025

He jetted forward like an eel through water, bending his body around them and positioning his torso between them and the exit while his legs ran to catch up.

From "The Last Last-Day-of-Summer" by Lamar Giles

Once again Rutte stepped in -- jetting to Washington to see Trump.

From Barron's Jul. 6, 2026

Had he made that announcement a few hours earlier, maybe Congress could have passed some sort of brief extension before jetting off.

From Slate Jun. 13, 2026

For many travelers on a budget, Spirit, like fellow discounter and one-time merger partner Frontier, was the difference between jetting off on vacation or staying closer to home.

From The Wall Street Journal May 2, 2026

Once seated and locked in, it nearly immediately takes off, jetting riders into a darkened hallway with white lights before injecting them into a Lego galaxy.

From Los Angeles Times Mar. 6, 2026

Henry and Luxa were flying ahead of him, jetting across the river.

From "Gregor the Overlander" by Suzanne Collins

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