Japanese word

いつの間にか

Pronunciation

Romajiitsunomanika

Meaning

  • adverbwithout realizing it

Example

いつの間にか眠っていました。i tsu no ma ni ka nemu tte i ma shi ta

I had fallen asleep without realizing it.

Illustration for いつの間にか (without realizing it)

More examples

楽しい時間は、いつの間にか過ぎてしまいます。tano shi i ji kan wa i tsu no ma ni ka su gi te shi ma i ma su

Fun times pass before you know it.

Core concept

Indicates that something has changed before the person notices when or how it happened.

Common phrases

  • いつの間にか消えるi tsu no ma ni ka ki e ru

    disappear before one knows it

  • いつの間にか慣れるi tsu no ma ni ka na re ru

    get used to it before one knows it

Similar words

いつしかitsushika: It describes a change or passage of time that occurs before one becomes aware of it.
知らず知らずshirazushirazu: It describes an action or change that happens without conscious awareness.

Definition in Japanese

変化の起きた時点を意識しないまま、ある状態になっているさま。hen ka no o ki ta ji ten o i shiki shi na i ma ma a ru jō tai ni na tte i ru sa ma

Word origin

The expression いつの間にか (itsu no ma ni ka) combines いつ (itsu, "when") and 間 (ma, "interval") with の (no), に (ni), and か (ka), expressing an unspecified time at which a change occurs.

Usage tips

  • Unlike a phrase meaning simply "suddenly," it emphasizes that the time or process of a change remains outside the speaker's awareness.

Other meanings

  • before one knows itadverb

Word lists with this word