How to Say “Ever Since” in Japanese

以来
irai
In Japanese, 'ever since' is expressed as 以来 (irai).
The term 以来 is used to indicate a continuous state or event that has persisted from a specific, significant point in time. It marks the starting point of an ongoing situation.
Meaning: continuously since a specified time or event (adv)

How does it change in a sentence?

In a sentence, 以来 is typically placed after a noun or a verb in the past tense to denote the point from which a continuous state began.

How do you pronounce it?

irai

Did you know?

  • While 以来 marks a point in time, the character 来 actually means 'to come', reflecting a perspective where time is seen as flowing toward the present moment.
  • Unlike English, where 'since' can be used to mean 'because', 以来 can never be used to explain the reason for something.
  • The word 以来 is a kango, meaning it was borrowed from Chinese, which is why it feels more formal and stiff than the native Japanese word から.

Examples in context

  • 3年前に東京へ来て以来ここに住んでいる。
    I came to Tokyo three years ago and have been living here ever since.
    This sentence shows how to use 以来 after a verb in the past tense to describe living in a place since moving there.
    Tatoeba #4955 by bunbuku, translation #72637 by blay_paul
  • トムはその事故以来ずっと左目に問題がある。
    Tom has had trouble with his left eye ever since the accident.
    This sentence demonstrates using 以来 after a noun to describe a physical condition following an accident.
    Tatoeba #2055095 by bunbuku, translation #1025378 by CK
  • 以来ずっと友人です。
    We've been friends ever since.
    This sentence shows the use of 以来 to describe a continuous state of friendship.
    Tatoeba #191155 by mookeee, translation #28315 by CK
  • 高校を卒業してから、日本語を勉強しています
    I have been studying Japanese ever since I graduated from high school.
  • 結婚して以来、彼女は専業主婦です
    Ever since getting married, she has been a housewife.
  • 昨日から雨が降っています
    It has been raining ever since yesterday.

Example conversation

Kenta and Misaki are talking about their old school days at a cafe.

  1. 健太 Kenta

    高校生以来、一度も会っていないね。
    koukousei irai, ichido mo atte inai ne.
    We haven't met even once ever since we were high school students, have we?
  2. 美咲 Misaki

    本当ね。健太君、久しぶり!
    hontou ne. Kenta-kun, hisashiburi!
    That's true. It's been a long time, Kenta!
  3. 健太 Kenta

    美咲さんも、元気そうで良かった。
    Misaki-san mo, genki sou de yokatta.
    I'm glad to see you look well too, Misaki.
  4. 美咲 Misaki

    ありがとう。今日はゆっくり話しましょう。
    arigatou. kyou wa yukkuri hanashimashou.
    Thank you. Let's take our time talking today.

Sources

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Lillian Amber
Lillian AmberHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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