# once and for all

idiom

Source: https://englishreference.com/idiom/once-and-for-all
Updated: 2026-08-10

## Meaning

Conclusively, finally, permanently.

## Examples

- I need to finish this once and for all.
- She deleted his number once and for all, knowing she would never call him again.
- The treaty was signed once and for all, ending centuries of bitter conflict between the two neighboring nations.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.