- 1if a motor or an engine cuts in, it starts working Emergency generators cut in.
- 2(North American English) (British English push in) to go in front of other people who are waiting
- 1to interrupt somebody when they are speaking synonym butt in (on somebody/something) She kept cutting in on our conversation. + speech ‘Forget it!’ she cut in.
- 2(of a vehicle or its driver) to move suddenly in front of another vehicle, leaving little space between the two vehicles See related entries: Driving