noun
Loanword from English, used as a noun or in compounds to describe something fast or high-speed.
このカメラはハイスピードで連写ができる。
This camera can take continuous shots at high speed.
ハイスピードインターネットが普及した。
High-speed internet has become widespread.
Variant with a middle dot, sometimes seen in product names or stylized writing.
こうそく is the native Japanese word for 'high speed', used in formal and technical contexts. ハイスピード is a casual loanword often used in product names or everyday speech.
Loanword from English 'high speed'.