Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “high-speed”

high-speed

adjective [before noun]     /ˌhaɪˈspiːd/
describes something that moves or operates very quickly: a high-speed train/ferry a high-speed computer high-speed data transmissionFast and rapidShort in time
(Definition of high-speed adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of high-speed

Browse related topics

You are looking at an entry to do with Fast and rapid, but you might be interested in these topics from the Moving quickly and slowly topic area:

Definitions of “high-speed” in other dictionaries

Word of the Day

generous

willing to give money, help, kindness, etc., especially more than is usual or expected

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More