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    全然関係ない (zenzen kankei nai) - totally unrelated

    Grammar & Usage

    fixed expression
    neutral to casual

    How it works

    This phrase combines the adverb 全然 (zenzen, totally/completely) with 関係ない (kankei nai, unrelated). 関係ない is the negative form of 関係ある (kankei aru, to be related). It is used to strongly emphasize that something has absolutely no connection to another matter.

    Sample sentences

    その話は、今の議論には全然関係ないですよ。

    That topic is totally unrelated to our current discussion.

    彼が何を言おうと、私には全然関係ないことです。

    Whatever he says, it has absolutely nothing to do with me.

    このデータはプロジェクトの目的に全然関係ないから、削除してください。

    This data is completely unrelated to the project's objective, so please delete it.

    Quick facts

    structure:全然 (adverb) + 関係 (noun, relation) + ない (negative auxiliary verb)
    usageNote:While 全然 (zenzen) historically implied a negative context, in modern colloquial Japanese, it is frequently used with positive or neutral statements for emphasis (e.g., 全然大丈夫 - zenzen daijoubu, totally fine), though its use with positive statements is still sometimes debated by purists. However, its use with 関係ない (kankei nai) is perfectly standard and universally accepted to mean 'totally unrelated'.

    Mnemonic

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    Example

    その話は、今の議論には全然関係ないですよ。

    That topic is totally unrelated to our current discussion.

    彼が何を言おうと、私には全然関係ないことです。

    Whatever he says, it has absolutely nothing to do with me.

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