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.

Ahead of the meeting, GE Aerospace announced that researchers in its Niskayuna, New York, R&D center developed a preliminary design for a hypersonic ramjet External link engine using an in-house generative AI tool.

From Barron's • May 19, 2026

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

From The Wall Street Journal • Apr. 30, 2026

Aerospace startup Hermeus is moving its headquarters to El Segundo from Atlanta as it aims to build autonomous hypersonic aircraft for the military, the latest sign of revival in the region’s aerospace and defense sectors.

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

But even with the errors, the machines processed the transonic, supersonic, and hypersonic flows and trajectory analyses in a way that surpassed the upper limits of human ability.

From "Hidden Figures" by Margot Lee Shetterly

hypersonic

Example Sentences

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