Step in

Pronunciation: /ˈstɛp ˈɪn/

Step in (verb)

  1. To go into a situation to help, especially when someone needs support or action.
  2. To become involved suddenly to stop something from continuing or to change what happens next.
  3. To join a process or activity in order to do a task or play a role.

Examples

  • She stepped in to help when the project stalled.
  • They stepped in to help the team finish on time.