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

It’s time to fix this once and for all.

From MarketWatch • May 4, 2026

“I expect a comprehensive report in short order and am confident the outcome will assist in resolving, once and for all, the questions that led this office to issue subpoenas,” Pirro said.

From The Wall Street Journal • Apr. 24, 2026

Interestingly, despite her apparent eagerness to hold on to her California property, Simpson had previously expressed a desire to quit the Golden State once and for all.

From MarketWatch • Mar. 18, 2026

"My next chapter must be to eradicate this devastating disease from our shores once and for all," said Steenhuisen, whose handling of the crisis has been sharply criticised.

From Barron's • Mar. 13, 2026

DELPHI: Yes, it is time to spare the spare once and for all.

From "Harry Potter and the Cursed Child" by J.K. Rowling