1Describes something that moves or processes at very high speed — fast trains, fast internet, high-speed machinery, and the like.
この新幹線は高速で走るので、大阪まで三時間もかからない。
This shinkansen runs at high speed, so it takes less than three hours to reach Osaka.
新しいパソコンは処理速度が高速で、動画編集も快適だ。
The new computer processes data at high speed, making video editing comfortable.
高速通信網が整備され、田舎でも動画が途切れずに見られる。
With high-speed networks now in place, videos stream without interruption even in rural areas.
カメラのシャッターを高速にして、飛んでいる鳥を撮った。
I set the camera's shutter to a high speed to photograph the bird in flight.
2A colloquial abbreviation of "kousoku douro" (expressway) — the toll motorway for cars, commonly used in everyday speech.
高速に乗れば、実家まで二時間で着く。
If we take the highway, we can reach my parents' house in two hours.
大雪で高速が通行止めになった。
The expressway was closed due to heavy snow.
次の出口で高速を降りましょう。
Let's get off the highway at the next exit.