крутой is a Russian adjective. Its most common informal meaning is “cool,” “awesome,” or “great.” Depending on context, it can also mean “tough,” “hard-core,” “steep,” or “sharp.”
- крутой фильм — a cool movie
- крутой парень — a cool or tough guy
- крутой подъём — a steep climb
- крутой поворот — a sharp turn
The word originally relates to something sharply curved or steep. Its slang sense of “awesome” became especially common in modern colloquial Russian. Similar informal Russian words include классный, клёвый, офигенный, and супер.
- Это крутой фильм, советую посмотреть.
This is a cool movie; I recommend watching it.
- У неё очень крутой новый телефон.
She has a really awesome new phone.
- Он считает себя крутым парнем.
He considers himself a tough guy.
- Мы шли по крутой тропе в гору.
We walked up a steep trail.
- На дороге был крутой поворот.
There was a sharp turn in the road.
