na-adjective
Describes something of great significance, consequence, or urgency. Often used in warnings, advice, and evaluations.
健康が一番大事です。
Health is the most important thing.
大事な話が
I have something important to talk about, so could you give me some time later?
na-adjective
Used for things held dear emotionally or materially, such as keepsakes, relationships, or cherished items.
これは祖母からもらった大事な指輪です。
This is a precious ring I received from my grandmother.
家族を大事にしてください。
Please treasure your family.
noun
serious matter; major incident; crisis
Refers to a grave situation, trouble, or a matter of serious concern. Often used in the phrase 大事になる (to become a big deal).
See also: 大事 (おおごと)
小さなミスが大事になってしまった。
A small mistake turned into a serious matter.
大事が起きる前に手を打とう。
Let's take action before a crisis occurs.
noun
great undertaking; great enterprise; great thing
Refers to an ambitious project, a significant endeavor, or a major achievement. Often used in historical or formal contexts.
この事業は国家の大事だ。
This project is a great national undertaking.
彼は大事を成し遂げた。
He accomplished a great thing.
na-adjective
Dialectal use (Tochigi) meaning 'safe' or 'all right', equivalent to standard 大丈夫 (だいじょうぶ). Rare outside that region.
See also: だいじょうぶ
栃木の方言では、「大事？」と聞かれたら「大丈夫？」という意味だ。
In the Tochigi dialect, when asked 'Daiji?', it means 'Are you okay?'.