十分(じゅうぶん)

じゅうぶん
na-adjective, adverb
enough, sufficient
descriptive
1. enough, sufficient, adequate
Having as much as is needed; meeting requirements satisfactorily.
これで十分(じゅうぶん)です。
This is enough.
十分(じゅうぶん)気(き)をつけてください。
Please be sufficiently careful.
Adverbial use meaning 'fully'
時間(じかん)は十分(じゅうぶん)ありますか。
Do you have enough time?
休(やす)みが十分(じゅうぶん)に取(と)れなくて、毎日(まいにち)眠(ねむ)いです。
I haven't been getting enough rest, so I'm sleepy every day.
準備(じゅんび)は十分(じゅうぶん)ですか。まだ何(なに)か必要(ひつよう)なものはありますか。
Are the preparations adequate? Is there anything else you need?

十分(じゅうぶん) can be a na-adjective or adverb.

Common patterns

  • Na-adjective: 十分(じゅうぶん)な量(りょう) (sufficient amount)
  • Adverb: 十分(じゅうぶん)分(わ)かった (fully understood)
  • 十分(じゅうぶん)ある: there is enough
  • 十分(じゅうぶん)な: sufficient (modifying noun)
  • 十分(じゅうぶん)に: sufficiently, fully

Similar words

Related Words

Antonym: 不足(ふそく) (shortage)
Antonym: 不十分(ふじゅうぶん) (insufficient)
Related: 足(た)りる (to be enough (verb))
Homophone: 十分(じゅっぷん) (ten minutes (same kanji))
Compare: たっぷり (plenty)
Related: 十二分(じゅうにぶん) (more than enough)
Compare: 潤沢(じゅんたく) (abundant)
core
Added 2026.1.9 21:01 · Revised 2026.9.4 21:29
01500/01614_juubun