also: ばんばん
adverb
Emphatic adverb meaning 'very much' or 'fully'. Often used with verbs like 違う, 結構, or 承知.
その意見には万々賛成です。
I fully agree with that opinion.
彼の話は万々間違いない。
His story is completely true.
adverb
Used with a negative verb to mean 'never' or 'not at all'. Often in the pattern 万々～ない.
そんなことは万々ありません。
That will never happen.
Alternate kanji spelling; less common than 万々.
Rare reading; mostly seen in older or literary contexts.
Reduplication of 万 (man, 'ten thousand'), emphasizing a large degree or absolute negation.