大いに

おおいに

much, considerably (same as 大変 (たいへん)), greatly

JLPT N3

Character Breakdown

Meaning and Usage

"大いに" (おおいに) is an adverb used to express a large degree or extent, similar to "very," "greatly," or "considerably." It often emphasizes positive or strong feelings, effects, or quantities.

Common Contexts

You will frequently see "大いに" used in formal or written Japanese, such as in news reports, speeches, or polite conversations. It can modify verbs related to emotions, opinions, or actions to stress their intensity.

Collocations and Patterns

  • 大いに役立つ (おおいにやくだつ): to be very useful
  • 大いに感謝する (おおいにかんしゃする): to be greatly thankful
  • 大いに盛り上がる (おおいにもりあがる): to get very excited or lively

Nuances and Tips

"大いに" is more formal and emphatic than simply using "とても" or "すごく." It often appears in written language or polite speech rather than casual conversation. Avoid confusing it with "多いに," which is less common and more literary.

Common Mistake

Learners sometimes confuse "大いに" with "大変" (たいへん). While both can mean "very," "大変" is more versatile and common in casual speech, whereas "大いに" carries a stronger, more formal nuance.

Example Sentences

かれのいけんはおおいにさんこうになった。

His opinion was very helpful.

このえいがはおおいにはなしだいになった。

This movie became a big topic of conversation.

かれはおおいによろこんでそのしらせをきいた。

He was greatly pleased to hear the news.