ultrafast

[ uhl-truh-fast, -fahst ]

/ ˌʌl trəˈfæst, -ˈfɑst /

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adjective

extremely fast: ultrafast computers.

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Origin of ultrafast

ultra- + fast¹

Words nearby ultrafast

ultraconservative, ultracrepidarian, ultracritical, ultradian, ultra-distance, ultrafast, ultrafiche, ultrafilter, ultrafiltrate, ultra filtration, ultrahigh

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ultrafast in a sentence

Video-game players’ lust for ever-better graphics created a huge industry in ultrafast graphic-processing units, which turned out to be perfectly suited for neural-net math.
What the history of AI tells us about its future|Clive Thompson|February 18, 2022|MIT Technology Review
Unlike traditional chips, which are geared toward ultrafast, precise calculations, TPUs are designed for the high-volume but low-precision calculations required by neural networks.
How AI is reinventing what computers are|Will Douglas Heaven|October 22, 2021|MIT Technology Review
Myriad ultrafast projects have been proposed over the years.
Amtrak's Boss Has a Plan to Make You Love Trains Again. Will it Work?|Patrick Lucas Austin|May 3, 2021|Time
Stanton paused imperceptibly before answering, while his ultrafast mind considered the problem and arrived at a decision.
Anything You Can Do|Gordon Randall Garrett

Stanton paused imperceptibly before answering, while his ultrafast mind considered the problem before arriving at a decision.
Anything You Can Do ...|Gordon Randall Garrett

British Dictionary definitions for ultrafast

ultrafast

/ (ˈʌltrəˌfɑːst) /

adjective

extremely fastan ultrafast internet connection

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012