once and for all

Idioms  

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]

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Example Sentences

“The location where two brilliant young minds finally disproved the existence of the local legend, once and for all!”

From Literature

Conservative Shadow Defence Minister Mark Francois said it was time "to fix or fail Ajax, once and for all".

From BBC

She added: "Winning this legal battle lets the child reclaim their own power back and hopefully close the page on this chapter of their lives once and for all."

From BBC

I’d hoped that authoring a guideline to movie theater etiquette at the start of 2025 might put enough determined energy into the universe to halt bad theater behavior once and for all.

From Salon

They would live well, and they would break the Harari curse once and for all.

From Literature