hypersonic

[hahy-per-son-ik] / ˌhaɪ pərˈsɒn ɪk /

ADJECTIVE

fast

Synonyms

STRONGEST

agile brisk hot nimble quick rapid swift

STRONG

accelerated active dashing electric flashing fleet fleeting flying hurried racing ready snap split-second winged

WEAK

PDQ blue streak breakneck double-time expeditious expeditive hairtrigger hasty in a jiffy in nothing flat lickety split like a bat out of hell like all get out like crazy like mad on the double posthaste presto pronto screamin' snappy speedball supersonic velocious

Antonyms

STRONGEST

clumsy slow

STRONG

dull

WEAK

plodding tardy unhurried

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Analysts project GE Aerospace’s defense engine deliveries to exceed 1,000 units by 2028, driven by hypersonic propulsion and autonomous aircraft.

From Barron's • May 19, 2026

GE Aerospace developed a generative AI tool that creates hundreds of hypersonic ramjet engine designs in seconds, a process previously taking months.

From Barron's • May 19, 2026

Like hypersonic travel, Fleming says, these trips at first will be accessible only to the ultrawealthy, but by the 2040s, as launch costs fall, that market could expand modestly.

From The Wall Street Journal • May 15, 2026

Its hypersonic plane, designed for defense and national security missions, is farther off and dubbed the Darkhorse.

From Los Angeles Times • Apr. 7, 2026

The most visionary of the brain busters pined for the day when a pilot could take one of their creations for a hypersonic joy ride: Mach 5 or faster.

From "Hidden Figures" by Margot Lee Shetterly

hypersonic

Example Sentences

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