na-adjective, noun which may take the genitive case particle 'no', noun
more than enough; ample; exhaustive
Emphasizes that something is fully sufficient or even excessive; stronger than 十分. Used in both attributive (十二分な/十二分の) and adverbial (十二分に) forms.
See also: 十分
準備は十二分に整っている。
Preparations are more than sufficient.
彼の説明は十二分だった。
His explanation was more than enough.
十二分な注意を払って作業を進めた。
We proceeded with the work, paying exhaustive attention.
There was more than enough time to prepare.
He fully demonstrated his true ability.
I thoroughly enjoyed the trip.