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.

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

From Los Angeles Times • Apr. 7, 2026

In addition to drones, Kratos makes parts for solid rocket motors and hypersonic technologies.

From Barron's • Apr. 6, 2026

President Donald Trump last year ordered his administration to develop a plan for a space-based shield capable of intercepting ballistic, cruise and hypersonic missiles, which he dubbed the “Golden Dome.”

From MarketWatch • Mar. 25, 2026

Aside from using air defenses, Beijing may also be able to hit American ships with superfast hypersonic missiles hundreds of miles from the shore.

From The Wall Street Journal • Mar. 5, 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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