十分(じゅうぶん)に

じゅうぶんに
adverb
sufficiently; enough; fully; thoroughly
1. sufficiently; enough; adequately
Indicates that something meets or exceeds the required level or amount. Used to confirm that a condition has been satisfactorily met.
十分(じゅうぶん)に休(やす)んでください。
Please rest well.
準備(じゅんび)は十分(じゅうぶん)にできている。
The preparations are fully complete.
栄養(えいよう)を十分(じゅうぶん)に取(と)ることが大切(たいせつ)だ。
It's important to get enough nutrition.
2. fully; thoroughly; to a great extent
Emphasizes completeness or thoroughness of an action. Conveys that something was done without cutting corners.
十分(じゅうぶん)に注意(ちゅうい)してください。
Please be very careful.
この件(けん)については十分(じゅうぶん)に検討(けんとう)する必要(ひつよう)がある。
We need to examine this matter thoroughly.
お気持(きも)ちは十分(じゅうぶん)に分(わ)かります。
I fully understand how you feel.

Adverbial form of 十分(じゅうぶん) (sufficient; enough) + に. Also written 充分(じゅうぶん)に with different kanji — both are standard and interchangeable, though 十分(じゅうぶん) is more common. The word 十分(じゅうぶん) can also function as a na-adjective: 十分(じゅうぶん)な量(りょう) (a sufficient amount).

Note: 十分(じっぷん) (ten minutes) is a different word with different kanji reading.

Common collocations

Similar words

  • たっぷり: plenty; more than enough — more colloquial, implies generous abundance
  • 充分(じゅうぶん)に: sufficiently — variant kanji spelling, same pronunciation and meaning
  • しっかり: firmly; thoroughly — emphasizes doing something properly and reliably

Related Words

Compare: たっぷり (plenty)
Compare: しっかり (firmly)
Compare: 存分(ぞんぶん)に (to one's heart's content)
Compare: 余(あま)すところなく (completely)
general
Added 2026.5.8 20:21 · Revised 2026.9.4 21:31
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