どれほど

adverb, noun

how much; how many; to what extent

Used to ask about degree, quantity, or extent. Can be used as an adverb or noun.

• どれほど時じ間かんがかかりますか。

  How much time will it take?

• 彼かれの気き持もちがどれほどか、わかりますか。

  Do you understand how much he feels?

adverb, noun

no matter how much; however

Used in concessive patterns like どれほど...ても/でも to mean 'no matter how much' or 'however'.

• どれほど頑がん張ばっても、彼かれには勝かてない。

  No matter how hard I try, I can't beat him.

• どれほど高たかくても、買かいたい。

  However expensive it is, I want to buy it.

adverb, noun

(not) much; (not) many; hardly; barely

Used with どれほども and a negative verb to mean 'not much/many' or 'hardly any'. Often implies a small amount or almost none.

• どれほども残のこっていない。

  There is hardly any left.

• どれほども歩あるかないうちに疲つかれた。

  I got tired after walking barely any distance.