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
Recent Examples on the Web
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
This yacht is meant to be user friendly rather than a roaring speed demon.
—Kevin Koenig, Robb Report, 2 Dec. 2024
The San Diego Union-Tribune Ha-Seong Kim's fantasy value skyrocketed in 2023, in part because of his status as a speed demon.
—Eddie Brown, San Diego Union-Tribune, 13 Mar. 2024
This galactic speed demon appears to have a red dwarf star smaller and dimmer than our sun.
—Jonathan O'Callaghan, Scientific American, 30 Oct. 2024
Despite the sticker price, this vehicle will still quell the speed demon inside the owner, while not being as expensive or nearly as thirsty as the AMG model.
—Nina Turner, Newsweek, 29 Oct. 2024
One speed demon against another with Game 1 of the Knicks first-round playoff series against the Philadelphia 76ers hanging in the balance.
—Kristian Winfield, New York Daily News, 21 Apr. 2024
The lens is a speed demon for autofocus—on my a7R IV, the focus jumps from close-up to distant subjects in an instant.
—PCMAG, 16 May 2024
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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
This yacht is meant to be user friendly rather than a roaring speed demon.
—Kevin Koenig, Robb Report, 2 Dec. 2024
The San Diego Union-Tribune Ha-Seong Kim's fantasy value skyrocketed in 2023, in part because of his status as a speed demon.
—Eddie Brown, San Diego Union-Tribune, 13 Mar. 2024
This galactic speed demon appears to have a red dwarf star smaller and dimmer than our sun.
—Jonathan O'Callaghan, Scientific American, 30 Oct. 2024
Despite the sticker price, this vehicle will still quell the speed demon inside the owner, while not being as expensive or nearly as thirsty as the AMG model.
—Nina Turner, Newsweek, 29 Oct. 2024
One speed demon against another with Game 1 of the Knicks first-round playoff series against the Philadelphia 76ers hanging in the balance.
—Kristian Winfield, New York Daily News, 21 Apr. 2024
The lens is a speed demon for autofocus—on my a7R IV, the focus jumps from close-up to distant subjects in an instant.
—PCMAG, 16 May 2024
Cite this Entry
“Speed demon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/speed%20demon. Accessed 20 Mar. 2025.
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