万々 まんまん Also written ばんばん, 万万 Meanings Adverb very much; fully never (with verb in the negative) Kanji 万 ten thousand. Read as マン. Example sentences 万万承知の上です。I know it very well. Words containing 万々 万々一 (まんまんいち) (if) by some very rare chance 万々年 (まんまんねん) tens of thousands of years Jinuma: Japanese Dictionary · Word lists