(adv) to a very great degree or extent, Syn. lots, a good deal, very much, a great deal, much, Example:I feel a lot better; we enjoyed ourselves very much; she was very much interested; this would help a great deal
[おおき, ooki] (pref) (1) (arch) great; grand; large; (2) (also written as 正) (See 従・ひろき) greater (of equal court ranks); upper; senior; (n, adj-na) (3) (See 大きに) a great deal; very much#3899
[おおい, ooi] (pref) (1) (arch) (also written as 正) (See 従・ひろい) greater (of equal court ranks); upper; senior; (n, adj-na) (2) (See 大いなる, 大いに) a great deal; very much