購買|こうばいkoubai[0]heiban (flat)

1. noun, suru verb, transitive verbprocurement; purchase; buying
   お客様きゃくさまの今後こんごの購買こうばい需要じゅようを明あきらかにしようとしています。↗

   We are trying to clarify your future procurement requirements.
2. nounschool store; co-op; school canteen; tuck shop

• Synonym買取かいとりNeutralBuying out or acquiring, as in 「中古品の買取」; 「購買」 is purchasing from the buyer's side, mostly for consumption and procurement.
• Synonym購入こうにゅうNeutralThe most common word for a formal purchase, with no restriction on the object; 「購買」 appears mostly in 「購買意欲」「購買力」 and also means a school store.
• Synonym買い上げるかいあげるWrittenWritten style: a government or agency buying from private citizens, or a store's respectful word for a customer's purchase; 「購買」 is ordinary buying.
• Synonym買い求めるかいもとめるWrittenWritten style: to buy something one wants, with a more solemn tone; 「購買」 leans toward economic and statistical usage.
• Synonym買い入れるかいいれるNeutralTo buy in or purchase, often for merchants stocking goods; 「購買」 also covers an organization's procurement activity.
• Synonym買い取るかいとるNeutralBuying something to make it one's own, often a shop's trade-ins or buying out rights; 「購買」 leans toward buying goods and supplies.
• Synonym買いかいNeutralBuying, often in stock-market phrases like 「買い注文」 or 「買い時」; 「購買」 is a general written term.
• Synonym買い上げかいあげWrittenWritten style: a government acquiring private assets, or a store's honorific for a purchase, 「お買い上げ」.
• Related買い込むかいこむCasualColloquial: to buy in large amounts or stock up; 「購買」 is an umbrella term for the act of buying.
• Related買収ばいしゅうWrittenWritten style: acquiring companies or land, and by extension bribery; 「購買」 is buying goods and supplies.
• Related買い物かいものNeutralEveryday shopping, and also the things you bought; 「購買」 is a written, economic word.
• Related買うかうNeutralThe most basic verb for buying, which also means to value highly or to incur; 「購買」 is a written Sino-Japanese word for economics and procurement.
• Related買い付けかいつけNeutralLarge-scale buying, or one's regular store or brand; 「購買」 leans toward being an umbrella term for buying.
• Related買い出しかいだしCasualColloquial: going out to buy food and the like, usually in bulk; 「購買」 is a general term for buying.
• Related買い付けるかいつけるNeutralBulk purchasing, or being a regular customer at a store; 「購買」 can also be bulk when it refers to group procurement.
• Related購求こうきゅうFormalFormal and rare: simply to buy; in daily speech say 「購入」.
• Related買い込みかいこみCasualColloquial noun: buying in quantity or stocking up; 「購買」 is a general term for the act of buying.
• Related買い受けるかいうけるWrittenWritten style, often in legal contracts: buying goods or rights; in daily speech say 「買う」 or 「購入する」.
• Related購うあがなうWrittenWritten, old-fashioned word for buying; in daily speech say 「買う」.
• Antonym販売はんばいNeutralSelling goods — the opposite side of the buying that 「購買」 describes.
• Antonym売却ばいきゃくWrittenWritten style: selling off assets or real estate; the opposite of 「購買」, and more formal.

For everyday buying, use 「買う」 or 「購入」. 「購買」 itself is a written, economic term, seen in 「購買力」 and 「購買意欲」, and also covers organizational procurement and the school store. For a shop buying from customers use 「買取」; for government or public agencies buying from the private sector use 「買い上げ」; for corporate takeovers use 「買収」. The remaining compounds are narrower: bulk buying (「買い込む」, 「買い出し」), merchants stocking up (「買い入れる」, 「買い付け」), and so on.

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

1. 物ものを買かうこと。
2. 会社かいしゃや団体だんたいなどが物資ぶっしを大量たいりょうに購入こうにゅうすること。そのような部署ぶしょ。また、所属しょぞくする者ものが購入こうにゅうに利用りようできる店舗てんぽ。