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definitions

ultrafast

[uhl-truh-fast, -fahst]
adjective
  1. extremely fast: ultrafast computers.

Origin of ultrafast

ultra- + fast1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ultrafast

Historical Examples of ultrafast

  • Stanton paused imperceptibly before answering, while his ultrafast mind considered the problem before arriving at a decision.

    Anything You Can Do ...

    Gordon Randall Garrett

  • Stanton paused imperceptibly before answering, while his ultrafast mind considered the problem and arrived at a decision.

    Anything You Can Do

    Gordon Randall Garrett

British Dictionary definitions for ultrafast

ultrafast

adjective
  1. 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