超(ちょう)super-, ultra-, hyper-, very, really, over (after a number or counter), more than

超(ちょう)音速(おんそく)は音速(おんそく)よりも速(はや)いです。

Supersonic speed is faster than the speed of sound. {super-, ultra-, hyper-, very, really, over (after a number or counter), more than}

あのモデルさんは超(ちょう)綺麗(きれい)だから人気(にんき)だ。

That model is super beautiful, so she's popular. {super-, ultra-, hyper-, very, really, over (after a number or counter), more than}

電車(でんしゃ)が超(ちょう)満員(まんいん)で息(いき)をすることもままなりません。

The train is so overcrowded that I can hardly breathe. {super-, ultra-, hyper-, very, really, over (after a number or counter), more than}

ファン：「え！握手(あくしゅ)会(かい)に当(あ)たっちゃった！超(ちょう)やばいよ！」

Fan: "What?! I won a handshake event! This is super awesome!" {super-, ultra-, hyper-, very, really, over (after a number or counter), more than}

妹(いもうと)：「とうもろこしは超(ちょう)嫌(きら)いだからさ、臭(にお)いも嗅(か)ぎたくないんだよ。」

Sister: "I super hate corn, so I don't even want to smell it." {super-, ultra-, hyper-, very, really, over (after a number or counter), more than}