Last Updated
：2026/01/12
だい
Particle
informal
dated
Japanese Meaning
男性のくだけた話し言葉で用いられる終助詞で、疑問を表す。「〜だい？」の形で使われる。 / やや古風な用法で、断定や強い確信を込めて物事を言い切る終助詞。「〜だい。」の形で使われる。
Easy Japanese Meaning
おとこのひとがさいごにつけてしつもんするときにつかう。むかしのいいかたで、つよくいうときにもつかう。
Chinese (Simplified) Meaning
男性口语中的非正式疑问语气词 / 表示坚定、强调的陈述语气（旧用法）
Chinese (Traditional) Meaning
（男性口語）句末疑問助詞 / （過時）表堅定斷言的句末助詞
Korean Meaning
남성 구어체의 의문 조사 / (옛말투) 확신을 담아 단정적으로 말할 때 쓰는 조사
Indonesian
partikel tanya informal (ragam pria) / partikel penegas untuk menyatakan keyakinan/ketegasan (usang)
Vietnamese Meaning
trợ từ nghi vấn (khẩu ngữ nam, không trang trọng) / trợ từ khẳng định, nhấn mạnh (cổ; lỗi thời)
Tagalog Meaning
di-pormal na katagang pantanong, karaniwan sa pananalita ng lalaki / makaluma: katagang pampagtitiyak sa pahayag
Sense（1）
(informal, men's speech) an interrogative particle
Sense（2）
(dated) a particle used to state something with conviction
（ romanization ）
Quizzes for review
(informal, men's speech) an interrogative particle / (dated) a particle used to state something with conviction
See correct answer
だい
See correct answer
Are you really going?
See correct answer
お前、本当に行くんだい？
Japanese - English
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