買い上げる・買上げる|かいあげるkaiageru[4]nakadaka (mid-high)

Common
Which spelling to use
買い上げる買い上げる is the most common form. Use it when a government or public agency buys from a private citizen, or when someone buys up all of something.
買上げる買上げる is a less common kanji-and-kana variant of 買い上げる. It has the same meanings, including purchases by a government or public agency and buying up all of something.
Definitions
  1. ichidan verb, transitive verbto buy (of a government, public agency, etc. from a private citizen); to purchase
  2. ichidan verb, transitive verbto buy up (all of something)
Conjugation
Dictionary form買い上げる(かいあげる)
Polite (masu)買い上げます(かいあげます)
Negative (nai)買い上げない(かいあげない)
polite (masen)買い上げません(かいあげません)
classical zu / nu買い上げず・買い上げぬ(かいあげず・かいあげぬ)
Past (ta)買い上げた(かいあげた)
polite (mashita)買い上げました(かいあげました)
Past negative (nakatta)買い上げなかった(かいあげなかった)
polite (masen deshita)買い上げませんでした(かいあげませんでした)
Te form買い上げて(かいあげて)
Potential買い上げられる(かいあげられる)
Passive買い上げられる(かいあげられる)
Causative買い上げさせる(かいあげさせる)
Causative passive買い上げさせられる(かいあげさせられる)
Conditional (ba)買い上げれば(かいあげれば)
tara買い上げたら(かいあげたら)
Volitional買い上げよう(かいあげよう)
polite (mashou)買い上げましょう(かいあげましょう)
Imperative買い上げろ(かいあげろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym買取かいとりNeutralNeutral. A noun: buying something over, including buyouts; the usual word for trade-ins and buying used goods, as in 「買取価格」. The buyer need not be a public agency.
  • Synonym買い取るかいとるNeutralNeutral. To buy something over and make it one's own, stressing acquisition of ownership; unlike the headword, the buyer need not be an official body.
  • Synonym購入こうにゅうWrittenWritten/formal prose. A common word for buying in general, fine in speech too; it has no nuance of an official body acquiring from private citizens.
  • Synonym購買こうばいWrittenWritten/formal prose. Procurement, mostly in set phrases like 「購買力」; also names a school co-op store. Not a verb for everyday buying.
  • Synonym買い受けるかいうけるWrittenWritten/formal prose. Rare and mostly seen in contracts: taking goods or rights as the buyer in a paid deal.
  • Related買い求めるかいもとめるWrittenWritten/formal prose. To go out and buy something one wants, stressing the act of seeking it out; often heard in shopkeepers' polite messages to customers.
  • Related買い入れるかいいれるNeutralNeutral. To buy in for oneself; also very common for merchants stocking up in bulk, as in 「原料を買い入れる」. The buyer is not limited to official bodies.
  • Related買うかうNeutralNeutral. The everyday verb for buying, far broader than the headword; it also covers valuing something highly and incurring anger or criticism.
  • Related購うあがなうWrittenWritten/formal prose. An archaic, rare literary verb for buying; also written 「贖う」 to mean atone for a sin, a special usage of its own.
  • Antonym売り払ううりはらうNeutralNeutral. To sell off completely — the opposite direction from an official body paying to buy something up.
  • Antonym売却するWrittenWritten/formal prose. To sell off assets — the written opposite of the headword's buying in.

Use 「買い上げる」 for a government or public agency buying from private citizens; the honorific 「お買い上げ」 is a shop thanking a customer for a purchase. For everyday buying use 「買う」, for trade-ins and used goods 「買取」, for general or bulk buying 「購入」 or 「買い入れる」, for buying out 「買い取る」. 「買い受ける」「買い求める」「購う」「購買」 are written/formal. The opposites are 「売り払う」 and 「売却する」.

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

Japanese definitions
  1. 権力けんりょくのある者ものが民間みんかんから物ものを買かうこと。
  2. 狭義きょうぎに、国くにや自治体じちたいなどが民間みんかんから物ものを買かうこと。
  3. (「おかいあげになる」「おかいあげいただく」などの形かたちで) 客きゃくが店みせのものを買かうこと。
  4. 全すべてを買かい尽つくすこと。
Kanji in this word
See also

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