hypersonic
adjective
hy·per·son·ic
ˌhī-pər-ˈsä-nik 
1
: of or relating to speed five or more times that of sound in air compare sonic
2
: moving, capable of moving, or utilizing air currents that move at hypersonic speed
hypersonic wind tunnel
Examples of hypersonic in a Sentence
Recent Examples on the Web
Japan is moving forward with new cruise missiles and hypersonic weapons designed to strike targets from outside enemy range.
—
Kapil Kajal, Interesting Engineering, 26 Dec. 2025
The missiles would be hypersonic – more than five times the speed of sound – and maneuverable to confuse enemy defenses.
—Brad Lendon, CNN Money, 23 Dec. 2025
Beijing already operates thousands of high-end ballistic, hypersonic, and cruise missiles that would be used to strike U.S. forward bases, aircraft carriers, tanker aircraft, and other key large assets.
—Justin Bronk, Foreign Affairs, 15 Dec. 2025
The Comprehensive Outbound Investment National Security Act would give the administration the ability to block investments in key technologies like semiconductors, microelectronics, AI, quantum, high-performance computing and supercomputing and hypersonic systems.
—Julia Shapero, The Hill, 9 Dec. 2025
See All Example Sentences for hypersonic
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Kapil Kajal, Interesting Engineering, 26 Dec. 2025
The missiles would be hypersonic – more than five times the speed of sound – and maneuverable to confuse enemy defenses.
—Brad Lendon, CNN Money, 23 Dec. 2025
Beijing already operates thousands of high-end ballistic, hypersonic, and cruise missiles that would be used to strike U.S. forward bases, aircraft carriers, tanker aircraft, and other key large assets.
—Justin Bronk, Foreign Affairs, 15 Dec. 2025
The Comprehensive Outbound Investment National Security Act would give the administration the ability to block investments in key technologies like semiconductors, microelectronics, AI, quantum, high-performance computing and supercomputing and hypersonic systems.
—Julia Shapero, The Hill, 9 Dec. 2025
See All Example Sentences for hypersonic
Cite this Entry
“Hypersonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypersonic. Accessed 30 Dec. 2025.
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