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.

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

But they are efficient at high speeds, making them ideal for applications such as hypersonic cruise missiles.

From Barron's • May 19, 2026

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

Supersonic flight could become routine for the mass-affluent by the 2030s, with hypersonic travel a possibility by 2040.

From The Wall Street Journal • May 15, 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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