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

See Examples For:

once and for all

We are keen to get this sorted once and for all.

From MarketWatch ● Sep. 21, 2026

This series endeavors to settle that mystery once and for all.

From Salon ● Sep. 4, 2026

He continued later that the two discussed how industrialism “grows only by consuming, once and for all, the living world.”

From Los Angeles Times ● Sep. 4, 2026

"This has convinced me to write down my own thoughts and memories, once and for all," he said, adding many opinions were "based on untruths that have become accepted over time".

From Barron's ● Aug. 19, 2026

I just want to stop this injustice once and for all.

From "The Freedom Writers Diary" by The Freedom Writers