Adverb
once for all (not comparable)
Dated form of once and for all.
We must take advantage of the victory in the anti-Japanese War to win our war against the Communist bandits, once for all. Bai Chongxi
Once, once for all, if you would save your heart from breaking, learn this lesson once for all you must cease, in this world, to believe in the eternity of any creed or form at all. Whatever grows in time is a child of time, and is born and lives, and dies at its appointed day like ourselves. James Anthony Froude
The development of Africa will not happen without the effective participation of women. Our forefathers' image of women must be buried once for all. Ousmane Sembène
There is nothing to make one indignant in the mere fact that life is hard, that men should toil and suffer pain. The planetary conditions once for all are such, and we can stand it. William James
It is vain to try to sacrifice once for all one's youthful ideals. Paul Bourget
To die is but to leave off dying and do the thing once for all. Samuel Butler (novelist)