speed demon

noun

chiefly US, informal
: someone or something that moves or works very fast
The new cook is a regular speed demon.
This computer is a real speed demon compared with/to my old computer.

Examples of speed demon in a Sentence

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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.
There’s more to the open-top speed demon than the man who raced it, though. — Bryan Hood, Robb Report, 11 Feb. 2025 Another oddity is that there is a speed demon of a galaxy that is barreling through another cluster of galaxies at 3.2 million km/h (2 million mph). — David Szondy, New Atlas, 18 Jan. 2025

Rhymes for speed demon

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“Speed demon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/speed%20demon. Accessed 22 Mar. 2025.

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