Copyright © 2026 Kotomora. All Rights Reserved.
Common word› JLPT N4 › Freq. Frequency Top 5,000 Conjugation 十分する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 十じゅう 分ぶん する 十じゅう 分ぶん しない Polite 十じゅう 分ぶん します 十じゅう 分ぶん しません Past polite 十じゅう 分ぶん しました 十じゅう 分ぶん しませんでした Past 十じゅう 分ぶん した 十じゅう 分ぶん しなかった Te-form 十じゅう 分ぶん して 十じゅう 分ぶん しないで Desire 十じゅう 分ぶん したい 十じゅう 分ぶん したくない Potential 十じゅう 分ぶん できる 十じゅう 分ぶん できない Passive 十じゅう 分ぶん される 十じゅう 分ぶん されない Causative 十じゅう 分ぶん させる 十じゅう 分ぶん させない Causative passive 十じゅう 分ぶん させられる 十じゅう 分ぶん させられない Volitional 十じゅう 分ぶん しよう Polite volitional 十じゅう 分ぶん しましょう Imperative 十じゅう 分ぶん しろ 十じゅう 分ぶん するな Conditional 十じゅう 分ぶん すれば 十じゅう 分ぶん しなければ Tara conditional 十じゅう 分ぶん したら 十じゅう 分ぶん しなかったら
じ 字 Furigana
Usage patterns 〈 事こと 〉 に 十じゅう 分ぶん 注ちゅう 意い する to pay sufficient/close attention to something
Please be very careful when driving.
〈 物もの 〉 が 十じゅう 分ぶん にある there is enough of something
十じゅう 分ぶん な 〈 物もの 〉 a sufficient amount/degree of something
It's important to get enough sleep.
〈 物もの 〉 で 十じゅう 分ぶん だ X is enough/sufficient
十じゅう 分ぶん に 〈 動どう 詞し 〉 to do something thoroughly/fully
I fully understood his explanation.
Kanji 分 part, minute of time, segment Related words· 8 足りる is a verb meaning 'to be enough' or 'to suffice', while 十分 is a na-adjective/adverb describing something as sufficient.
たっぷり suggests a generous or abundant amount, while 十分 simply means enough to meet the necessary standard.
十分 means 'enough' or 'sufficient' with a focus on adequacy, while 沢山 in its 'enough' sense can imply 'more than enough' or 'plenty'.
十分 means 'enough' or 'sufficient', while 十二分 is a stronger word meaning 'more than enough' or 'amply sufficient'.
Show 4 more 十分 means 'enough' or 'sufficient', whereas 存分 emphasizes acting without holding back, to the fullest extent one wants.
十分 states that an amount is objectively enough, while 結構 in its refusal sense politely signals personal satisfaction with what one has.
十分 means 'enough/sufficient', focusing on adequacy, while 豊富 emphasizes abundance well beyond mere sufficiency.
十分 is a common na-adjective/adverb meaning 'sufficient' or 'plenty', whereas 足る is a verb expressing the same idea in a more formal register.
Opposites 不十分 means 'insufficient' or 'inadequate', the direct opposite of 十分 meaning 'sufficient'.
十分 means enough or sufficient, the direct opposite of 不足 (sense 1) meaning a shortage.
十分 means 'sufficient' or 'satisfactory', the opposite of 今ひとつ's sense of falling just short of that.
Written forms 十じゅう 分ぶん Usage 80%
Standard common spelling for the adjective/adverb meaning 'enough' or 'fully'; also the only attested spelling for the rare 'division into ten' sense.
充じゅう 分ぶん Usage 18%
ateji (phonetic kanji usage)
This spelling is ateji. It is an acceptable variant for the 'sufficient' and 'fully' meanings, but not for the rare 'division into ten' sense.
じゅうぶん Usage 2%
Etymology 十分 combines 十 'ten' and 分 'part/portion' and conventionally expresses a full or sufficient amount, as if complete to the necessary degree. 充分 is as ateji for the same reading and common sufficient/fully meanings.
Report an issue with this page