ULTRAFAST Synonyms: 63 Similar and Opposite Words

ultrafast

adjective

Definition of ultrafast

as in high-speed

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Example Sentences

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Recent Examples of ultrafast Shrinking and reshaping the light The researchers used an ultrafast laser and engineered its beam so that its energy was concentrated into an extremely small region. — Rupendra Brahambhatt, Interesting Engineering, 26 Sep. 2026 For one, the majority of China’s public charging stations still operate below 1 megawatt, while Geely, BYD and CATL’s ultrafast charging technologies rely on higher charging power to reach their full potential, said Chan at S&P. — ABC News, 24 Sep. 2026 To prevent direct exploitation, the random numbers tick away in the background like an ultrafast clock, changing their value approximately 60 times per second. — Manon Bischoff, Scientific American, 25 Aug. 2026 Some materials, like semiconductors, can be driven from reflective to transmission quite rapidly (30-100 fs) using ultrafast laser pulses as the switch. — Chris Lee, ArsTechnica, 22 July 2026 See All Example Sentences for ultrafast

Recent Examples of Synonyms for ultrafast

Adjective

Over 11,100 Starlink satellites are in low-Earth orbit, providing high-speed, low-latency broadband internet from space to mobile users around the world.

— David Zimmermann, The Washington Examiner, 9 Oct. 2026
The pair are then thrown back into a world of high-speed car chases, international crime and kidnapping in Spain, as their fragile relationship is tested to the core.

— Jesse Whittock, Deadline, 8 Oct. 2026

Definition of high-speed

Adjective

Filmmakers still build production timelines around submission deadlines, rush unfinished cuts, hold back material that could build an audience — all to be among thousands of submissions competing for a handful of slots that may or may not generate a meaningful outcome.

— Dana Harris-Bridson, IndieWire, 8 May 2026
The Patriots rank seventh in offensive EPA and sixth defensively, while accounting for their most obvious flaws (30th in rush EPA).

— Andrew Callahan, Boston Herald, 29 Nov. 2025