「非常に」(ひじょうに) is an adverb used to emphasize a high degree or extent, similar to "very" or "extremely." It's generally a more formal or stronger intensifier than 「とても」. It can describe adjectives or verbs, indicating a remarkable level. Example: この問題は非常に難しいです。 (This problem is extremely difficult.)

程度が際立って高いこと、とても。