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
They are also known for their fireballs—larger and brighter explosions—and Earth-grazers, which streak close to the horizon and have long and colorful tails.
—Hannah Millington, MSNBC Newsweek, 14 Nov. 2025
In recent years, much of the new technology used in the stunt realm has come courtesy of visual effects artists, who employ CGI to erase safety wires, composite in dangerous elements like fireballs and, at times, build action sequences almost completely from the whole digital cloth.
—Todd Longwell, Variety, 14 Nov. 2025
Viewers can expect to see about three to 15 fast, bright meteors per hour, including possible fireballs.
—Eric Lagatta, USA Today, 13 Nov. 2025
Many fireballs reported in the months of October and November belong to this stream.
—Joe Rao, Space.com, 10 Nov. 2025
See All Example Sentences for fireball
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Hannah Millington, MSNBC Newsweek, 14 Nov. 2025
In recent years, much of the new technology used in the stunt realm has come courtesy of visual effects artists, who employ CGI to erase safety wires, composite in dangerous elements like fireballs and, at times, build action sequences almost completely from the whole digital cloth.
—Todd Longwell, Variety, 14 Nov. 2025
Viewers can expect to see about three to 15 fast, bright meteors per hour, including possible fireballs.
—Eric Lagatta, USA Today, 13 Nov. 2025
Many fireballs reported in the months of October and November belong to this stream.
—Joe Rao, Space.com, 10 Nov. 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 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share