fireball
noun
fire·ball
ˈfī(-ə)r-ˌbȯl 
1
: a ball of fire
also
: something resembling such a ball
the primordial fireball associated with the beginning of the universe —
Scientific American
Scientific American 2
: a brilliant meteor that may trail bright sparks
3
: the highly luminous cloud of vapor and dust created by a nuclear explosion
4
: a highly energetic person
Examples of fireball in a Sentence
The house erupted into a fireball.
what this club needs is a fireball who will bring some sorely needed energy and enthusiasm
Recent Examples on the Web
The ensuing fireballs from ignited pyrotechnics sent a plume of smoke miles into the area that was visible in Vacaville, Woodland and Sacramento before sundown.
—Molly Gibbs, Sacbee.com, 2 July 2025
This means that the fragment from the recent fireball that made it through the Georgia home’s roof (if verified) may mark another time that the Beta Taurids left an impression on Earth, writes Space.com.
—Elizabeth Gamillo, Smithsonian Magazine, 1 July 2025
The fireball that caught the attention of people across the southeastern United States is presumed to be from a meteor fragmenting in the sky, according to meteorologists and other experts.
—Eric Lagatta, USA Today, 28 June 2025
The fireball was produced by an asteroidal fragment 3 feet in diameter, weighing over a ton, according to the scientist.
—Ashleigh Fields, The Hill, 27 June 2025
See All Example Sentences for fireball
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Molly Gibbs, Sacbee.com, 2 July 2025
This means that the fragment from the recent fireball that made it through the Georgia home’s roof (if verified) may mark another time that the Beta Taurids left an impression on Earth, writes Space.com.
—Elizabeth Gamillo, Smithsonian Magazine, 1 July 2025
The fireball that caught the attention of people across the southeastern United States is presumed to be from a meteor fragmenting in the sky, according to meteorologists and other experts.
—Eric Lagatta, USA Today, 28 June 2025
The fireball was produced by an asteroidal fragment 3 feet in diameter, weighing over a ton, according to the scientist.
—Ashleigh Fields, The Hill, 27 June 2025
See All Example Sentences for fireball
Cite this Entry
“Fireball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fireball. Accessed 18 Jul. 2025.
Copy CitationKids Definition
fireball
noun
fire·ball
-ˌbȯl
1
: a ball of fire
2
: a very bright meteor
3
: the glowing cloud of vapor and dust created by a nuclear explosion
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