といわず〜といわず

“Not to mention …, (even) … / Regardless of … or …” → Used to state that both the obvious case and the less obvious case are included, often meaning “A, and even B” or “whether A or B”, with no distinction made.

N1

Meaning

“Not to mention …, (even) … / Regardless of … or …” → Used to state that both the obvious case and the less obvious case are included, often meaning “A, and even B” or “whether A or B”, with no distinction made.

Formation

Noun A + といわず 〜 Noun B + といわず

Explanation

といわず〜といわず is used when the speaker wants to say that:

  • it is not only one case

  • but another case is also included

  • and no exception is made

The nuance is close to:

  • “not to mention A, even B”

  • “A or B alike”

It emphasizes completeness or inclusiveness, often in a firm, authoritative tone.

This grammar is commonly found in:

  • official notices

  • regulations

  • formal explanations

  • JLPT N1 reading passages

💡 Core nuance:
“Both A and B are treated the same; neither is excluded.”