What does 高速 mean?
高速 is a Japanese noun meaning “high speed, high gear” in English. It can also be translated as “highway” depending on context. It is written as 高速 in kanji, こうそく in hiragana, and kousoku in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
超高速がコンコルド機の特徴だ。
Great speed is a feature of the Concorde.