す
 
ま
 
な
 
い

adjective

  1. inexcusable, unjustifiable, unpardonable. Usually written with kana alone.
  2. sorry, remorseful, apologetic, conscience-stricken, contrite.

interjection

  1. excuse me, (I'm) sorry, thank you.

Variations

Pronunciation Kanji Kana Is Common
 
す
 
ま
 
な
 
い
すまない ✔
す
済
 
ま
 
な
 
い
済まない すまない ✔