すまぬMeanings1interjectionexcuse me; I'm sorryusually written using kana aloneOld-fashioned or dialectal variant of すまない; used as a casual apology or to get someone's attention. Often heard in period dramas or from older speakers.See also: すまないすまぬ、ちょっと道みちを教おしえてくれんか。Excuse me, could you tell me the way?遅おそくなってすまぬ。Expressions相あい済すまぬvery sorry; remorseful; apologetic