As a Noun:
1. A machine that can perform a task without needing to be operated by a person. English = automatic.
2. A car or a vehicle in which the driver does not need to change the gears manually. English = automatic.
As a Verb or Adjective:
1. Of a machine, to be able to perform a task without needing to be operated by a person. English = (be) automatic.
2. Of a car, to be able to change gears by itself when needed, without the help of the driver. English = (be) automatic.
3. Of people, to be not restricted, controlled, or limited by obligations, responsibilities or worries. English = (be) unrestricted, (be) unencumbered, (be) carefree.