Jet is a word with several different meanings. It can refer to a fast streamA continuous flow of liquid moving in one direction. of liquid, something that comes out suddenly in a stream, a jet-poweredUsing engines that produce thrust by expelling fast-moving air. airplane, a very dark black color, or a black gemstoneA valuable colored stone often cut and polished for ornaments. used in jewelry.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /dʒɛt/
Easy pronunciation: JET (approximate spelling).
Stress: One syllable; the stress is on the only syllable.
Used as a noun meaning an artificially produced flow of water.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Jet Meaning
a stream of water that is forced out under pressure
Part of speech: noun
Definition: an artificially produced flow of water
Example: The garden fountain sent a strong jet of water into the air.
Synonyms for this meaning:
- fountain — Can fit this sense in some contexts, though it often means the whole structure rather than just the stream.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Other Meanings of Jet
Meaning 2
to come out suddenly in a strong stream
Part of speech: verb
Definition: issue in a jet; come out in a jet; stream or spring forth
Example: Water jetted from the broken pipe.
Synonyms for this meaning:
- gush — A good substitute when liquid pours out strongly and suddenly.
Meaning 3
a sudden burst or spurt of liquid
Part of speech: noun
Definition: the occurrence of a sudden discharge (as of liquid)
Example: A jet of steam escaped from the machine.
Synonyms for this meaning:
- spirt — Rare, but can mean a small sudden jet of liquid.
- spurt — A natural substitute for a sudden burst of liquid.
- squirt — Works well for a quick sudden discharge of liquid.
Meaning 4
a jet-powered airplane
Part of speech: noun
Definition: an airplane powered by one or more jet engines
Example: The jet landed just before sunset.
Synonyms for this meaning:
- jet-propelled plane — Directly matches this aircraft sense.
- jet plane — Common everyday term for a jet-powered airplane.
Meaning 5
a rare blue lightning-like flash high above storm clouds
Part of speech: noun
Definition: atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
Example: Scientists captured a blue jet above the storm.
Synonyms for this meaning:
- blue jet — The established term for this phenomenon.
- reverse lightning — Descriptive term for the same phenomenon, but less precise.
Meaning 6
a slang term for ketamine
Part of speech: noun
Definition: street names for ketamine
Example: This sense is slang and not used in formal writing.
Synonyms for this meaning:
- cat valium — Street name for ketamine.
- green — Reported slang term, but usage is inconsistent.
- honey oil — Reported slang term, but it may also refer to other drugs or substances.
- k — Common short slang form for ketamine.
- special k — Common slang for ketamine.
- super acid — Reported slang term, but not as standard as other forms.
- super c — Reported slang term, but less established.
Meaning 7
very dark black
Part of speech: adjective
Definition: of the blackest black; similar to the color of jet or coal
Example: She wore a jet-black coat.
Synonyms for this meaning:
- coal-black — Strong match for a very deep black color.
- jet-black — Direct adjective form used for intense blackness.
- pitchy — Can mean very dark, but is less common and sometimes literary.
- sooty — Can suggest blackened color, though it often implies dirt or smoke as well.
Meaning 8
a hard, shiny black gemstone used in jewelry
Part of speech: noun
Definition: a hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation
Example: The necklace was made of jet.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Jet Synonyms
Similar Meaning
- fountain
sudden discharge of liquid
- spirt
- spurt
- squirt
jet-powered airplane
- jet-propelled plane
- jet plane
blue lightning-like atmospheric flash
- blue jet
- reverse lightning
slang for ketamine
- cat valium
- green
- honey oil
- k
- special k
- super acid
- super c
very dark black
- coal-black
- jet-black
- pitchy
- sooty
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Jet as a noun meaning a stream of water is different from jet as a plane.
- Jet-black is an adjective, not the same as the noun meaning a black gemstone.
- The gemstone sense and the black-color sense are related but not interchangeable.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does jet mean in English?
Jet can mean a stream of water, a sudden burst of liquid, a jet aircraft, a very dark black color, or a black gemstone used in jewelry, depending on the context.
What is the most common meaning of jet?
The most common everyday meaning is a jet airplane.
What are some synonyms of jet?
For the airplane sense, jet plane is a common synonym. For the water and liquid senses, words like gush, spurt, and squirt can work in the right context.
Is jet-black the same as jet?
No. Jet-black is an adjective meaning very black, while jet by itself can have several different meanings, including an aircraft or a stream of liquid.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.