once for all

  1. kesinlikle, (ilk ve) son olarak, tamamıyla, bir çırpıda.
    They had to be defeated once and for all.
    I tell you once and for all that this must be done.
kesinlikle, kesin olarak, ilk ve son defa, son olarak.
The case was settled once and for all when
the appeal was denied: Yargıtayca reddedildikten sonra dava kesinlikle kapandı.
kesinlikle, (ilk ve) son olarak, tamamıyla, bir çırpıda.
They had to be defeated once and for all.
I tell you once and for all that this must be done.