What does 斬新 mean?
斬新 is a Japanese noun meaning “novel” in English. It is written as 斬新 in kanji, ざんしん in hiragana, and zanshin in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
これはいわゆる斬新なアイデアです。
This is what we call a "brand new idea".