しからずば

Meanings

usually written using kana alonearchaic

Archaic conjunction meaning 'if it is not so' or 'otherwise'. Used in classical Japanese; in modern language it appears only in literary or historical contexts.

しからずば、この計けい画かくは失しっ敗ぱいに終おわったであろう。
If not so, this plan would have ended in failure.