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.

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hypersonic

Hermeus, a hypersonic aircraft company, will also relocate its headquarters there, Racine said.

From Los Angeles Times ● Aug. 5, 2026

But even with the new investment it is likely that an adversary armed with hypersonic missiles would be able to overwhelm Britain's defences.

From BBC ● Jun. 30, 2026

Hermeus, which is developing hypersonic aircraft for the military, is moving its headquarters from Atlanta to El Segundo to access the Southern California aerospace talent pool.

From Los Angeles Times ● Jun. 16, 2026

High-end hypersonic strike missiles from Lockheed Martin and RTX can cost $15 million each or more.

From The Wall Street Journal ● Jun. 14, 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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