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
Lyrids are known for their fast meteors, according to NASA, and can produce the occasional bright flash called a fireball.
—USA TODAY, 21 Apr. 2024
The Lyrids don't usually leave a long, glowing dust train behind them in the sky, but can produce an occasional bright flash, known as a fireball.
—Alex Groth, Journal Sentinel, 16 Apr. 2024
See all Example Sentences for fireball 
USA TODAY, 21 Apr. 2024
The Lyrids don't usually leave a long, glowing dust train behind them in the sky, but can produce an occasional bright flash, known as a fireball.
—Alex Groth, Journal Sentinel, 16 Apr. 2024
See all Example Sentences for fireball
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fireball.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near fireball
Cite this Entry
“Fireball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fireball. Accessed 6 May. 2024.
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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