quadruplyEnglishOxford New American Dictionaryquadruply /kwäˈdro͞op(ə)lē, kwɑˈdrup(ə)li / ▸ adverb to four times the normal extent or degree; four times: income that is quadruply taxed.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary