buy in

verb

To accept an idea as valid; to join in on a concept.

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stockstock up
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Meanings

noun
  1. misspellingMisspelling of buy-in.
verbbuy in (third-person singular simple present buys in, present participle buying in, simple past and past participle bought in)

present singular third person buys in · participle present buying in · participle past bought in · past bought in

  1. To accept an idea as valid; to join in on a concept.
  2. To invest as part of a group; to put one's personal stake in an investment.
  3. To buy back for the owner at an auction.
  4. businessFor the buyer of securities, whose seller fails to deliver the securities contracted for, to buy the securities from a third party and demand the difference in price from the original seller.
  5. To stock (something) by buying inventory from a third party.

    They buy in coffee beans from a distributor in Carrolton.

Synonyms & antonyms

verbamass so as to keep for future use or sale or for a particular occasion or use

Similar
stockstock up
Broader
supplyproviderender
Also see
stockstock up

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

buy in. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/buy%20in

MLA

“buy in.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/buy%20in. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “buy in,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/buy%20in.

Source: buy in on Wiktionary, CC BY-SA 4.0.