しからずばMeanings1conjunctionif not so; otherwiseusually written using kana alonearchaicArchaic 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.