once and for all

1. 1.

   in a conclusive way

   “we settled the problem conclusively”

   Synonymsconclusively

Questions about once and for all

What does once and for all mean?

once and for all means "in a conclusive way".

What is another word for once and for all?

Close synonyms include conclusively. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is once and for all a common word?

once and for all is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.