I have heard people replacing 私、俺 with こっち in casual speech. For example: こっちは忙しいんだ instead of 私は忙しいんだ. The question is, under what circumstances can one use こっち instead of 私. I know that そっち can mean "my side", which might imply that there may be more than 1 person on my end

Similarly, in using そっち instead of あなた (or the person's name)、are there any differences besides そっち meaning "you and anyone on your side" whilst あなた meaning just you(and no one else)?

  • 1
    I know that そっち can mean "my side" -- I think you meant こっち.
    – macraf
    Feb 11 '20 at 18:47
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    Does this answer your question? こっち、そっち、あっち、どっち
    – macraf
    Feb 11 '20 at 18:48
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    Unrelated, but FYI 忙しいだ is not grammatical in standard Japanese. 忙しいんだ is, though. Feb 11 '20 at 20:29
  • @DariusJahandarie I took the liberty to fix that part since it was unrelated to the main topic of the question.
    – naruto
    Feb 12 '20 at 1:38

こっち or こちら as a substitute of I/we can have a tinge of rudeness to it as it is used to emphasize physical or psychological distance.

The form こっちはXXX (I am XXX) is usually used to expresse frustration or grievances (こっちは忙しいんだよ!こっちは寝てないんだよ!こっちは大雨なんだよ! etc). E.g.:


こちら is also used frequently to imply "we don't care about your situation", E.g.:


There are neutral use cases like the following:


But even then it implicitly creates "sides". So, unless you want to create this effect, I wouldn't do it.

Credit: Answer was updated based on @naruto's comment.

  • 1
    I can think of counterexamples where こっち is not necessarily rude: "彼は骨折したがこっちは無傷で済んだ", "こちらは平気ですので、ご自身の勉強に集中なさってください". But I agree that there is an emphasis on a (physical or psychological) distance when こっち is used.
    – naruto
    Feb 12 '20 at 1:50
  • I think it's rude and sounds like "we don't care" because all the examples are 「こっち**は**」。A different feeling would be「こちらこそ」, used in polite speech
    – Mars
    Feb 12 '20 at 2:03
  • Good point, will add it into the answer @naruto Feb 12 '20 at 7:57

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