What does 大いに mean?
大いに is a Japanese adverb meaning “greatly, very much” in English. It is written as 大いに in kanji, おおいに in hiragana, and ooini in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
私は彼を大いに尊敬しています。
I have a great regard for him.