Extremely large in degree or intensity; used to emphasize something remarkable or impressive (similar to "incredible" or "tremendous").
昨日のコンサートはものすごい盛り上がりだった。
Yesterday's concert was incredibly lively.
この料理は辛さがものすごいから、子どもには向かない。
This dish is extremely spicy, so it's not suitable for children.
彼女はものすごい集中力でレポートを書き上げた。
She finished the report with incredible concentration.
Used to emphasize something frightening, ghastly, or awful — expressing horror or extreme unpleasantness.
そのホラー映画はものすごい恐怖描写が多くて夜眠れなかった。
The horror movie had so many terrifying scenes that I couldn't sleep at night.
事故現場の光景はものすごく、言葉を失った。
The scene of the accident was so horrific that I was left speechless.
彼の傷跡はものすごい見た目で、驚いた。
His scars looked awful — I was shocked.