Japanese word

一体

Pronunciation

Romajiittai

Meaning

  • adverbwhat on earth

Example

一体どうしたのですか。it tai dō shi ta no de su ka

What on earth happened?

Illustration for 一体 (what on earth)

More examples

一体なぜそんなことを言ったのですか。it tai na ze so n na ko to o i tta no de su ka

Why on earth did you say that?

Core concept

Pushes a question beyond simple curiosity by showing surprise, confusion, or strong interest.

Common phrases

  • 一体何it tai nan

    what on earth

  • 一体なぜit tai na ze

    why on earth

  • 一体誰it tai dare

    who on earth

  • 一体どこit tai do ko

    where on earth

  • 一体どうしたit tai dō shi ta

    What on earth is wrong

Similar words

まったくmattaku: An adverb that adds strong emotion, such as surprise or irritation, to a question.
本当にhontōni: An adverb that emphasizes the truth of a situation or expresses surprise about it.

Definition in Japanese

疑問文で、驚きや困惑の気持ちを表して疑問の意味を強める語。gi mon bun de odoro ki ya kon waku no ki mo chi o arawa shi te gi mon no i mi o tsuyo me ru go

Word origin

一体 (ittai, "one body") is a Sino-Japanese compound of 一 (ichi, "one") and 体 (tai, "body"); it later gained an adverbial use for emphatic questions.

Usage tips

  • In casual conversation, 一体 (ittai) can come before question words such as 何 (nani) and 誰 (dare), while leaving it out makes the question more neutral.

Other meanings

  • why on earthadverb
  • where on earthadverb
  • who on earthadverb
  • how on earthadverb

Word lists with this word