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
Xpeng's AeroHT flying car unit has rebranded after an embarrassing air show fireball, and the Chinese company has announced a very Joby-esque long-range, high-speed air taxi to go along with some of its more bizarre offerings.
—Loz Blain
october 16, New Atlas, 16 Oct. 2025
Then check out our roundups of the best cameras and lenses for astrophotography, along with our guide to imaging fast moving meteors and fireballs.
—Anthony Wood, Space.com, 13 Oct. 2025
Before flight 10, Starship's most recent demonstration came on May 27, when the spacecraft spun out of control roughly halfway through its flight and disintegrated in a fireball.
—Eric Lagatta, USA Today, 10 Oct. 2025
Motivated by Friede’s fearsome Charizard and with almost as much lust for adventure as his trainer Roy, this little fireball (evolved in season two to Crocalor) wants to be the very best, like no one ever was.
—Jack Smart, PEOPLE, 10 Oct. 2025
See All Example Sentences for fireball
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Loz Blain
october 16, New Atlas, 16 Oct. 2025
Then check out our roundups of the best cameras and lenses for astrophotography, along with our guide to imaging fast moving meteors and fireballs.
—Anthony Wood, Space.com, 13 Oct. 2025
Before flight 10, Starship's most recent demonstration came on May 27, when the spacecraft spun out of control roughly halfway through its flight and disintegrated in a fireball.
—Eric Lagatta, USA Today, 10 Oct. 2025
Motivated by Friede’s fearsome Charizard and with almost as much lust for adventure as his trainer Roy, this little fireball (evolved in season two to Crocalor) wants to be the very best, like no one ever was.
—Jack Smart, PEOPLE, 10 Oct. 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 22 Oct. 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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