だい

big, great

JLPT N3

Character Breakdown

Meaning and Usage

The kanji 大 (だい) primarily means "big" or "great." It is often used as a prefix in compound words to indicate something large in size, importance, or degree.

Common Collocations

  • 大学 (だいがく): university, a place of higher education.
  • 大切 (たいせつ): important, valuable.
  • 大丈夫 (だいじょうぶ): all right, okay.

Usage Notes

When used alone, 大 can be read as おお- (as in 大きい) or だい/たい in compounds. It is a common kanji in everyday vocabulary and appears frequently in formal and informal contexts.

Common Mistakes

Learners sometimes confuse 大 with 小 (small) or misunderstand its reading depending on the word. Remember that 大きい (おおきい) is the adjective "big," while 大 (だい) is often a prefix in compound nouns.

Example Sentences

おおきなもんだいがおきた。

A big problem occurred.

だいがくでにほんごをべんきょうしています。

I am studying Japanese at university.

たいせつなやくそくをわすれないでください。

Please don't forget the important promise.