[ hahy-speed ]
See synonyms for high-speed on Thesaurus.com
  1. designed to operate or operating at a high speed: a high-speed drill.

  2. Photography. suitable for minimum light exposure: high-speed film; a high-speed lens.

Origin of high-speed

First recorded in 1870–75

Words Nearby high-speed

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

How to use high-speed in a sentence

  • These presented no serious hindrance to our attaining high speed, for we could tell just where to expect them.

  • Steam yachts having abnormally high speed are occasionally seen in a large yachting fleet.

    Yachting Vol. 2 | Various.
  • Then they again raced their ponies at high speed in the hope of soon overtaking the Pawnees.

    Three Sioux Scouts | Elmer Russell Gregor
  • A further control of the high speed jet is provided by the fuel metering valve operated by the carbureter throttle.

  • Morey cut into a Northbound traffic level, moved into the high-speed lane, and eased in on the accelerator.

    Islands of Space | John W Campbell

British Dictionary definitions for high-speed


  1. employing or requiring a very short exposure time: high-speed film

  2. recording or making exposures at a rate usually exceeding 50 and up to several million frames per second

  1. working, moving, or operating at a high speed

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