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• buy-in
  buy-in

  noun

  an act or instance of buying in.
• buy in
  buy in

  verb

  (tr) to buy back for the owner (an item in an auction) at or below the reserve price

buy-in

American  

[bahy-in] / ˈbaɪˌɪn /

noun

1. an act or instance of buying in.

2. the deliberate submission of a false bid, too low to be met, in order to win a contract.

3. Poker. the chips purchased by a player from the banker, occasionally a set amount required to enter a specific competition or game.

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buy in British  

verb

1. (tr) to buy back for the owner (an item in an auction) at or below the reserve price

2. (intr) to purchase shares in a company

3. (intr) to buy goods or securities on the open market against a defaulting seller, charging this seller with any market differences

4. Also: buy into.  informal (tr) to pay money to secure a position or place for (someone, esp oneself) in some organization, esp a business or club

5. to purchase (goods, etc) in large quantities

   to buy in for the winter

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noun

1. the purchase of a company by a manager or group who does not work for that company

Etymology

Origin of buy-in

Noun use of verb phrase buy in

Example Sentences

See Examples For:

buy-in buy in

Or it could be that Xbox couldn’t get enough buy-in to its streaming service, Xbox Game Pass.

From Salon ● Jul. 13, 2026

EV batteries are proving to be more durable than believed, which could be a game-changer for consumer buy-in.

From The Wall Street Journal ● Jul. 5, 2026

OpenAI "plan to hand Washington a 5% stake" in the company as it "seeks political buy-in", the Financial Times reports.

From BBC ● Jul. 3, 2026

If we were to leave, we would lose a portion of our buy-in — about $80,000.

From MarketWatch ● Jun. 5, 2026

“But you need buy-in from everyone in the group. Give it some more thought. How can you help the shelter? How can each of you get something out of the experience?”

From "The Miscalculations of Lightning Girl" by Stacy McAnulty

Now it’s public, and there’s volatility to bear as index funds buy in and lockups expire, bringing additional shares to market.

From MarketWatch ● Jul. 20, 2026

Every city he wants to buy in is somewhere I wouldn’t want to live.

From MarketWatch ● Jul. 17, 2026

The UK's stock of AS90 self-propelled artillery are so depleted that the MoD has had to buy in Swedish Archer systems to replace it.

From BBC ● Jun. 30, 2026

What’s Next: Utilities will have to buy in if nuclear is going to get off the ground.

From Barron's ● Jun. 29, 2026

Not a normal book, like you buy in the store, but a book he made himself, you can tell that right away.

From "Freak The Mighty" by Rodman Philbrick