once and for all

1. As a settled matter, finally, permanently, as in Once and for all, we're not hiring that organist again, or We've settled that question once and for all. This expression is in effect an abbreviation for “one time and for all time.” [Late 1400s]

Example Sentences

They said: "The UK government should now put an end to the planning application once and for all, or face a humiliating judicial review."

From BBC

"The idea of dividing the country and establishing a terrorist state at its centre must be put off the table once and for all," he added.

From BBC

They are less so now and another good year should silence them once and for all.

From BBC

"Now because of what happened there were not allowed to go in. They need to comb the whole forest and put a stop to these cults once and for all."

From BBC

Liberal Democrat home affairs spokeswoman, Lisa Smart, told the BBC that Labour should be "speeding up asylum processing to bring down the backlog and end hotel use once and for all".

From BBC