いつしか

い

つ

し

か

Freq.FrequencyTop 20,000

Meanings

usually written using kana alone

Describes something happening gradually or without the speaker realizing it, often with a sense of time passing.

いつしか〈事こと〉になっていたbefore one knew it, things had become〈事〉
いつしか二人ふたりは親しん友ゆうになっていた。
Before they knew it, the two of them had become close friends.
いつしか〈時とき〉が過すぎていたbefore one realized it, a period of time had passed