na-adjective
Na-adjective use. Describes an amount, degree, quality, or condition that meets the need or standard; often used as 十分だ, 十分な, or これで十分.
この量で十分です。
This amount is enough.
十分な説明がなかった。
There was not enough explanation.
adverb
sufficiently; fully; thoroughly; well
Adverbial use modifying a verb or adjective. It can mean that something is done enough, done thoroughly, or understood/recognized fully.
出発前に十分確認してください。
Please check thoroughly before leaving.
彼の気持ちは十分わかる。
I fully understand how he feels.
noun, noun or participle which takes 'suru', transitive verb
division into ten
Only when written 十分
Rare noun and する-verb use meaning to divide something into ten parts. In modern ordinary Japanese, 十等分する is much more transparent and common; this sense is restricted to the spelling 十分.
「十分する」は、十に分けるという意味のまれな表現です。
十分する is a rare expression meaning to divide something into ten parts.