How to Say “You’re My Best Friend” in Japanese

君は私の親友だよ
kimi wa watashi no shin'yuu da yo
The English phrase 'you're my best friend' is expressed in Japanese as 君は私の親友だよ (kimi wa watashi no shin'yuu da yo).
This phrase is used to tell someone that they are your closest and most trusted friend.

What does it mean word for word?

The word for 'best friend', 親友, is composed of the characters for 'intimate/close' and 'friend'.

Which one should you use?

While 君は私の親友だよ is the default, you may encounter other variations. For example, 君は俺の一番の友達だよ is an informal way to say the phrase often used among male friends. You can also use あなたは私にとって最高の友達なんだ as an informal way to say 'You are the best friend for me.'

Is there a formal and an informal way to say it?

The level of formality changes based on the pronouns and endings used. For a formal way to say 'You are my best friend', use 貴方は私の一番の友達です。 or 貴方は私にとって最高の友達です。

Is it said differently in some regions?

In the Kansai dialect, people may say アンタはうちの親友やで to mean 'You're my best friend.'

How does it change in a sentence?

The particle 'yo' at the end of 君は私の親友だ can be removed to make the statement a plain declaration rather than an emphatic one.

How do you pronounce it?

kimi wa watashi no shin'yuu da yo

Did you know?

  • The character for 'intimate' in 親友 (shin'yuu) is the same character used in the word for 'parent', illustrating how deeply the concept of closeness is rooted in familial-like bonds.
  • While English speakers often use the word 'you' to start this sentence, Japanese speakers frequently omit the word 'you' entirely, relying on context or the listener's name instead.
  • In many social situations, instead of saying 'you are my best friend', a Japanese person might simply say 'we are close' to avoid the potential awkwardness of direct emotional declarations.

Examples in context

  • 君は私の親友だよ。
    Kimi wa watashi no shin'yū da yo.
    You're my best friend.
  • 忘れないで、君は私の親友だよ。
    Wasurenaide, kimi wa watashi no shin'yū da yo.
    Don't forget, you're my best friend.

Example conversation

Yota and Yui are talking at a park during sunset.

  1. 陽太 Yota

    結衣、君は私の親友だよ。
    Yui, kimi wa watashi no shin'yū da yo.
    Yui, you're my best friend.
  2. 結衣 Yui

    ありがとう、陽太。私もそう思ってる。
    Arigatō, Yōta. Watashi mo sō omotteru.
    Thank you, Yota. I feel the same way.
  3. 陽太 Yota

    これからもよろしくね。
    Kore kara mo yoroshiku ne.
    Let's stay close from now on, too.
  4. 結衣 Yui

    うん、もちろんだよ!
    Un, mochiron da yo!
    Yeah, of course!
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Erica Rachael
Erica RachaelHelp 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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