補充|ほじゅうhojuu[0]heiban (flat)

1. noun, suru verb, transitive verbreplenishment; supplementation; supplement; replacement; refilling
   空所くうしょを補充ほじゅうせよ。↗

   Fill in the blanks.

   インキ補充ほじゅう瓶びんのキャップを外はずし、スポイトでインキを吸い上すいあげ、マーカーの吸収きゅうしゅう体たいへ適量てきりょう、滴下てきかしてください。↗

   Remove the cap from the ink refill bottle, fill the dropper with ink, and drip an appropriate amount onto the marker's core.

• Synonym補給ほきゅうNeutralCovers supplying water, fuel or goods to whoever needs them, as in 「水分補給」; 補充 is about restoring a shortage to its original state.
• Synonym補完ほかんWrittenWritten-style word for completing something by complementing it, as in 「相互補完」; it stresses filling gaps so a whole system is complete.
• Synonym補足ほそくNeutralMaking up for what is lacking, as in 「補足説明」; it centres on verbal content, whereas 「補充」 restores missing people or supplies.
• Synonym補いおぎないWrittenWritten-style noun for something that makes up for a lack or loss, as in 「損失の補い」; it can also suggest compensation.
• Synonym添加てんかWrittenAdding an ingredient or substance into something, as in 「食品添加物」; it stresses mixing something in, not making up a lack.
• Synonym填補てんぽWrittenFormal legal and accounting term for covering a deficit, as in 「欠損の填補」; not used for everyday restocking like 補充.
• Synonym追補ついほWrittenA publishing term for a supplement or addendum added to a book later; narrower than 補充 and tied to texts.
• Related付録ふろくNeutralAn appendix or extra bound into a book or magazine, or a freebie; it names the attached item itself rather than the act of replenishing.
• Related増補ぞうほWrittenAugmenting a published book with added content, as in 「増補版」; it means expanding an existing work, not restocking supplies.
• Related充填じゅうてんWrittenFilling a container or space full, as in 「ガス充填」; also filling teeth or loading film; the stress is on filling up, not replacing a shortage.
• Related付加ふかWrittenAttaching or adding something on top of what exists, as in 「付加価値」; it stresses extra addition, not restoring a shortage.
• Related付け足しつけたしNeutralSomething added on afterwards; often suggests the addition is dispensable, an extra tacked on rather than a needed replenishment.
• Related足し前たしまえNeutralMoney added to make up a shortfall or supplement funds; an old-fashioned word rarely seen today.
• Related足したしNeutralA colloquial word for something that tops up what is lacking, as in 「家計の足し」; very common in speech.
• Related補遺ほいWrittenAn addendum supplying material left out earlier, as in 「補遺」; an academic and publishing term for texts, not for goods.
• Related補記ほきWrittenWriting an additional entry, e.g. in a text or database; a written-style word that is not often used.
• Related追録ついろくWrittenRecording or writing something in addition later on; a written-style word that is rarely used.

Use 「補充」 for restoring missing people or supplies to their original state, as in 「人員補充」 or 「インクの補充」. 「補給」 is for supplying fuel or water to a consumer, 「補足」 for supplementary explanation, 「補完」 for completing a system, 「充填」 for filling a container, and 「補い」 for making up a loss. 「増補」, 「補遺」 and 「追補」 add material to books, and 「付録」 is an appendix or freebie. 「足し」 is a colloquial word for topping up money, 「填補」 the legal and accounting term for deficits, and 「付加」 and 「添加」 mean adding something on or in.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 不足ふそく分ぶんを補おぎなって、元もと通とおりの状態じょうたいに満みたすこと。