すまない

i-adjective

inexcusable; unjustifiable; unpardonable

Describes an act or situation that cannot be excused or justified; often used in negative form すまないこと or すまないと思う.

• 彼かれのしたことはすまないことだ。

  What he did is inexcusable.

i-adjective

sorry; remorseful; apologetic

Expresses personal regret or a feeling of being sorry; often used as a casual apology, similar to すみません but more informal and masculine.

• 遅おくれてすまない。

  Sorry I'm late.

• 迷めい惑わくをかけてすまないと思おもっている。

  I feel sorry for causing you trouble.

interjection

excuse me; sorry; thank you

Used as a casual interjection for apologizing or expressing gratitude; similar to すみません but more informal and typically used among close friends or by men.

See also: すみません

• すまない、ちょっと通とおしてくれ。

  Excuse me, let me through.

• すまない、助たすかったよ。

  Thanks, you really helped me out.