どんなに〜ようが

“No matter how much / how hard / how …” → Used to emphasize that even to an extreme degree, the result or conclusion does not change.

N1

Meaning

“No matter how much / how hard / how …” → Used to emphasize that even to an extreme degree, the result or conclusion does not change.

Formation

どんなに + Verb (volitional form) + ようが
どんなに + い-adjective (adverbial form) + かろうが ※ formal / written
どんなに + な-adjective + であろうが ※ formal / written

Explanation

どんなに〜ようが is used when the speaker wants to stress that:

  • the degree, effort, or intensity may be very large

  • but it still does not affect the outcome

Compared to plain ようが〜ようが, this grammar adds:

  • emphasis on extremeness

  • “even if it is to that extent…”

It often expresses:

  • determination

  • inevitability

  • firm judgment

Commonly used in:

  • arguments

  • written explanations

  • formal or serious statements

  • JLPT N1 reading passages

💡 Core nuance:
“Even if it reaches any degree, the result is unchanged.”