extremely; exceedingly; remarkably
Adverb used to emphasize the degree of a quality, often in formal or written contexts. It conveys that something is outstandingly or conspicuously so.
He is an exceptionally excellent student.
This problem is extremely difficult.
Rare kanji form; the kana spelling is strongly preferred.
Rarely used kanji form; the kana spelling is strongly preferred.
Derived from the verb 優れる (すぐれる, 'to excel'), in its continuative form used adverbially. The adverbial use emphasizes an outstanding degree.