light speed
noun
: the speed of light
Accelerating particles to near light speed, such machines are ideal for smashing them to make exotic states of matter, blast out new particles, or even search for new dimensions of space.—
Adrian Cho
Adrian Cho
also, informal
: an extremely fast rate or speed
A Netflix spokesman said it was adding titles at light speed while negotiating daily with studios, which have their own strategy for dealing with online distribution. —Josh Quittner
Josh Quittner Examples of light speed in a Sentence
Recent Examples on the Web
Factor in bots sharing these stories, and misinformation will spread at light speed.
—Peter Suciu, Forbes.com, 5 June 2025
Getting the timing just right effectively yields similar results to a light speed of 2 m/s.
—ArsTechnica, 31 May 2025
In markets that move at light speed, this agility can make all the difference.
—Sandy Carter, Forbes.com, 21 Apr. 2025
The Washington Post: Trump’s chaotic approach has allies rattled.
• The Hill: Trump is moving at light speed with no plan in sight.
—Jonathan Easley, The Hill, 17 Feb. 2025
See All Example Sentences for light speed
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Peter Suciu, Forbes.com, 5 June 2025
Getting the timing just right effectively yields similar results to a light speed of 2 m/s.
—ArsTechnica, 31 May 2025
In markets that move at light speed, this agility can make all the difference.
—Sandy Carter, Forbes.com, 21 Apr. 2025
The Washington Post: Trump’s chaotic approach has allies rattled.
• The Hill: Trump is moving at light speed with no plan in sight.
—Jonathan Easley, The Hill, 17 Feb. 2025
See All Example Sentences for light speed
Cite this Entry
“Light speed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20speed. Accessed 17 Jun. 2025.
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