say it: HAHY-speed
high-speed is an adjective meaning "operating at high speed". It carries one recorded sense.
operating at high speed
“a high-speed food processor”
“a high-velocity shell”
Definitions, synonyms and semantic relations for high-speed come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.