What does 申し訳ない mean?
申し訳ない is a Japanese noun meaning “inexcusable, I am sorry” in English. It can also be translated as “thank you very much (for help, etc.)” depending on context. It is written as 申し訳ない in kanji, もうしわけない in hiragana, and moushiwakenai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
申し訳ないけど、できません。
I'm sorry, but it's impossible.