adverb
in plenty; fully; abundantly
Describes something being done or provided in a generous, ample, or thorough manner. Often used with verbs of giving, preparing, or enjoying.
お金をふんなんに使ってしまった。
I spent money freely (in abundance).
料理をふんなんに用意して、客を迎えた。
We prepared food in plenty and welcomed the guests.