1
a
: an airplane powered by one or more jet engines
b
2
: a long narrow current of high-speed winds (such as a jet stream)
3
a(1)
: a usually forceful stream of fluid (such as water or gas) discharged from a narrow opening or a nozzle
(2)
: a narrow stream of material (such as plasma) emanating or appearing to emanate from a celestial object (such as a radio galaxy)
b
: a nozzle for a jet of fluid
4
: something issuing as if in a jet
Talk poured from her in a brilliant jet …—
Time
Time
jetted; jetting
1
: to travel by jet airplane
2
: to move or progress by or as if by jet propulsion
1
: an intense black
2
: a compact velvet-black coal that takes a good polish and is often used for jewelry
: of the color jet
Examples of jet in a Sentence
Noun (1)
bought a new showerhead that emits a superpowerful jet of water
Verb (2)
water jetting out of opened fire hydrants at a dangerously high rate
the volcano has been jetting out fiery lava in life-threatening amounts
the presidential candidates jetted through the state for a week before racing off to the next primary
Recent Examples on the Web
ABC News, 17 Apr. 2026
The strikes destroyed the bridge completely, according to the NNA, which said a drone had earlier carried out two separate strikes in the area before the jets launched the main strikes.
—April 16, CBS News, 16 Apr. 2026
ABC News, 15 Apr. 2026
After the Masters, the Mayes jetted off to Costa Rica as their NFL offseason continues.
—Natasha Dye, PEOPLE, 15 Apr. 2026
New Atlas, 8 Sep. 2025
The circuit itself is an adventure in contrast therapy, including steam, a cool, multi-jet shower and various dips in the spa’s (again child-free) pools ranging in temperature from cool to warm.
—Margaux Lushing, Forbes.com, 20 Aug. 2025
See All Example Sentences for jet
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Noun
As the United States was preparing a daring mission to rescue an airman whose fighter jet was shot down by Iran, there was money to be made.
—ABC News, 17 Apr. 2026
The strikes destroyed the bridge completely, according to the NNA, which said a drone had earlier carried out two separate strikes in the area before the jets launched the main strikes.
—April 16, CBS News, 16 Apr. 2026
Verb
Fresh from a marathon trip to Pakistan that failed to reach a deal for ending the war with Iran, Vice President JD Vance jetted to this Georgia college town for a campus tour organized by the conservative powerhouse Turning Point USA.
—ABC News, 15 Apr. 2026
After the Masters, the Mayes jetted off to Costa Rica as their NFL offseason continues.
—Natasha Dye, PEOPLE, 15 Apr. 2026
Adjective
Like the CudaJet, Kikfin's wearable puts a multi-jet array on your back to power you to faster speeds under the surface of the sea.
—New Atlas, 8 Sep. 2025
The circuit itself is an adventure in contrast therapy, including steam, a cool, multi-jet shower and various dips in the spa’s (again child-free) pools ranging in temperature from cool to warm.
—Margaux Lushing, Forbes.com, 20 Aug. 2025
See All Example Sentences for jet
Cite this Entry
“Jet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet. Accessed 18 Apr. 2026.
Copy CitationKids Definition
jet
1 of 4 noun1
: a compact black coal that takes a good polish and is often used for jewelry
2
: a very dark black
jet
3 of 4 noun1
a
: a forceful rush of liquid, gas, or vapor especially through a narrow opening or a nozzle
b
: a nozzle for a jet of fluid (as gas or water)
2
a
b
jet
4 of 4 verb
jetted; jetting
: to travel by jet airplane
Etymology
Noun
Middle English jet "black mineral," from early French jaiet (same meaning), derived from Greek gagatēs (same meaning), from Gagas, a town and river in Asia Minor
Verb
from early French jeter, literally "to throw," from Latin jactare "to throw"
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