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.

It won a $190 million Pentagon contract in March to help test hypersonic flight conditions using its smaller Electron rockets.

From The Wall Street Journal • Jun. 5, 2026

The UUV technology is the first signature project under Aukus's Pillar Two, where the partner countries work together on "advanced capabilities" in areas such as long-range hypersonic missiles, undersea robotics and AI.

From BBC • May 30, 2026

Rubio's offer came after Russia battered Ukraine over the weekend -- including firing its Oreshnik hypersonic missile -- and following a phone call with Russian Foreign Minister Sergei Lavrov.

From Barron's • May 26, 2026

New weapons should include counter-drone systems and affordable, long-range hypersonic missiles.

From The Wall Street Journal • Apr. 30, 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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