ULTRAFAST Synonyms: 63 Similar and Opposite Words

ultrafast

adjective

Definition of ultrafast

as in high-speed

Related Words

Relevance

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of ultrafast The total number of these ultrafast unicorns has also quadrupled since 2023. — Beatrice Nolan, Fortune, 30 June 2026 The company is preparing to file for US approval soon, and the FDA has promised to give the drug an ultrafast review. — Bloomberg, Oc Register, 29 May 2026 The ultrafast service, called Amazon Now, first launched in India last June. — Anne D’innocenzio, Los Angeles Times, 12 May 2026 The move coincides with a global migration to the faster wireless network and the Canadian federal government’s decision to auction more wireless spectrum to help build ultrafast 5G networks across the world’s second largest country by area. — Brooks Decillia, Encyclopedia Britannica, 12 May 2026 See All Example Sentences for ultrafast

Recent Examples of Synonyms for ultrafast

Adjective

The Red Bull Showrun, a live high-speed motorsports demonstration, will feature Formula 1 cars burning out and doing donuts on a roughly half-mile stretch of Hank Aaron Drive.

— AJ Willingham, AJC.com, 31 July 2026
Zhongji, which is also listed in Shenzhen, supplies components used in artificial intelligence data centers, cloud computing and high-speed networking.

— Lee Ying Shan, CNBC, 30 July 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