Meanings of rachet up in English

Because of that hideous smile, Matthew felt the danger in the room rachet up, like a bowstring tightening to loose an evil arrow.

Siptu, the union representing the drivers, said the action by the company appeared to show it was attempting to " rachet up" the dispute.

But on Ukraine he started to tiptoe towards the US as Britain racheted up its response to Russia.

US Attorney General Jeff Sessions has no plans to go anywhere, despite Donald Trump racheting up his criticism of the former Senator.

Australian director Natalie Erika James rachets up the tension in an extraordinarily accomplished feature film debut, from a screenplay by James and Christian White.