いつか

いつか
adverb
someday, sometime, one day
1. someday, sometime, one day
At an unspecified time in the future.
いつか日本(にほん)()きたい。
I want to go to Japan someday.
いつかまた()いましょう。
Let's meet again sometime.
いつか自分(じぶん)(みせ)()ちたい。
I want to have my own store someday.
いつか(かなら)成功(せいこう)する。
I will definitely succeed someday.
いつか世界(せかい)平和(へいわ)になってほしい。
I hope the world becomes peaceful someday.
いつか(ゆめ)(かな)えたい。
I want to make my dream come true someday.
2. at some point, before one knows it
At an unspecified time, often referring to the past.
いつか()映画(えいが)だ。
It's a movie I saw at some point.
Past reference
いつか()いた(はなし)(おも)()した。
I remembered a story I heard at some point.
いつか()んだ(ほん)内容(ないよう)(わす)れた。
I forgot the contents of a book I read sometime ago.
いつか()った(ひと)()ている。
You resemble someone I met at some point.
いつかどこかで()いたことのある(うた)(なが)れてきた。
A song I had heard somewhere at some point started playing.

いつか refers to an unspecified time.

FUTURE USE:

  • いつか + verb (someday will ~)
  • いつか(かなら)ず (someday for sure)

PAST USE:

  • いつか + past verb (at some point ~)
  • いつかどこかで (sometime somewhere)

WRITING:

  • Usually hiragana
  • Can be written 何時(いつ)

NOTE:

  • いつか (someday) vs 五日(いつか) (5th day) - context distinguishes them