once and for all
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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How to use once and for all in a sentence
As an example of good science-and-society policymaking, the history of fluoride may be more of a cautionary tale.
Once discovered, this maneuver did not endear the councilors to their constituents.
But along with the cartoon funk is an all-too-real story of police brutality embodied by a horde of evil Pigs.‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
As this list shows, punishments typically run to a short-ish jail sentence and/or a moderately hefty fine.
The benefits of incumbency are quite potent, especially in the all-important area of raising campaign funds.
He held it, but it was without pressure; without recognizance of the delight with which he once grasped it.The Pastor's Fire-side Vol. 3 of 4|Jane Porter
When his lordship retired early, as was his custom, the other men adjourned once more to the billiard-room.
As Spain, however, has fallen from the high place she once held, her colonial system has also gone down.
Each picture bore a label, giving a true description of the once-honoured gem.
And once more, she found herself desiring to be like Janet--not only in appearance, but in soft manner and tone.Hilda Lessways|Arnold Bennett