1.
greatly, very much, considerably
To a great extent or degree. Used to emphasize the magnitude of something.
大いに助かりました。
That helped me greatly.
彼の話は大いに役に立った。
What he said was very useful.
今回の旅行を大いに楽しんだので、また来年も行きたい。
I greatly enjoyed this trip, so I want to go again next year.
大いに is a formal adverb meaning greatly or very much.
POSITION: Usually placed before the verb.
COMMON PATTERNS:
- 大いに役立つ (be very useful)
- 大いに楽しむ (enjoy greatly)
- 大いに賛成する (strongly agree)
- 大いに結構 (quite all right, perfectly fine)
SIMILAR WORDS:
- とても: very (neutral)
- 大いに: greatly (formal, emphatic)
- 非常に: extremely (formal)
[Register: Formal]