1An adverb expressing a very high degree of something — a bit more formal than とても and commonly used in both writing and formal speech.
この問題は非常に難しくて、時間がかかった。
This problem was extremely difficult and took a lot of time.
彼女は非常に礼儀正しく、誰からも好かれている。
She is extremely polite and is well liked by everyone.
今回の実験結果は非常に興味深いものだった。
The results of this experiment were extremely interesting.
台風の影響で、非常に強い風が吹いている。
Because of the typhoon, an extremely strong wind is blowing.