noun which may take the genitive case particle 'no', na-adjective
Used as a na-adjective or no-adjective to describe something astonishing, extraordinary, or hard to believe, often in a positive sense.
彼のパフォーマンスはインクレディブルだった。
His performance was incredible.
インクレディブルな景色に感動した。
I was moved by the incredible scenery.