充分（じゅうぶん、juubun）
- enough

The Japanese word 充分 (じゅうぶん) means "sufficient," "enough," "adequate," or "plenty." It indicates that something meets a required amount or standard. It can refer to quantity, quality, time, or any other measurable aspect. It implies that there's no need for more.

⚫︎食事は充分です。 Translation: The meal is enough. ⚫︎時間は充分あります。 Translation: There is enough time. ⚫︎彼の説明は充分でした。 Translation: His explanation was sufficient.

⚫︎You can use 充分 in various situations to express that something is adequate or meets a certain requirement. ⚫︎It often appears when someone has received what they need or when a task is completed to a satisfactory level. ⚫︎充分 can modify nouns, acting as an adjectival noun, or it can be used as an adverb. ⚫︎It is often used when offering something ("Do you want more?") or when refusing something ("No, thank you, I've had enough.").

⚫︎The word 充分 is typically written with the kanji 充分, and the reading is じゅうぶん. ⚫︎It can also be written in hiragana as じゅうぶん.

⚫︎十分 (じゅうぶん): This is the exact same word as 充分. The kanji 十 is often used as a synonym for 充 and 分. ⚫︎足りる (たりる): to be sufficient, to be enough. (verb) ⚫︎十分な (じゅうぶんな): sufficient, enough (adjective) ⚫︎足る (たる): to be enough, to be sufficient (verb, more formal)

⚫︎不十分 (ふじゅうぶん): insufficient, not enough ⚫︎足りない (たりない): not enough, insufficient (verb)

私はもう充分食べました。 ・Translation: I have eaten enough. ・Explanation: The speaker is stating that they have consumed a sufficient amount of food and do not need any more.

この仕事には充分な時間を与えられました。 ・Translation: I was given enough time for this work. ・Explanation: The speaker is indicating that they had adequate time to complete the work.

The word 充分 is composed of two kanji: 充 (じゅう) meaning "fill," "enough," or "supply," and 分 (ぶん) meaning "part," "portion," "degree," or "minute." Together, they convey the meaning of something being "fully filled" or "having enough of something."