once and for all
Meaning
Finally and definitively, so the matter is settled permanently and won’t need to be dealt with again.
Origin
Recorded from Middle English; it combines “once” (one time) with “for all” (for everyone/for good) to stress that something is done decisively and permanently.
Notes
Used to emphasize a permanent, decisive resolution (often in arguments, rules, or misunderstandings). Can sound firm or impatient, especially in commands.
Examples
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Let’s settle this once and for all so we can move on.
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She deleted his number once and for all after the breakup.
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Can you explain the rules once and for all? I’m still confused.
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The judge’s ruling ended the dispute once and for all.
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I’m going to fix this bug once and for all, even if it takes all night.
Grammar & Usage Notes
Usually an adverbial phrase: “settle it once and for all,” “decide once and for all,” “end it once and for all.” Fairly fixed word order; “once & for all” is an informal variant.
Synonyms
- for good
- once and for good
- definitively
- finally
- permanently
Antonyms
- temporarily
- for now
- for the time being