Buy-in

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Support; agreement; blessing (in a secular sense). countable, uncountable

    "To win, I need to get buy-in from the team to have alignment with our mission."

  2. 2
    A protest in which participants buy an item and return it soon after in order to slow down the store's operations.

    "Protests against Home Depot’s alleged involvement with U.S. Immigration and Customs Enforcement’s (ICE) worksite raids have taken the form of disruptive “buy-ins” in at least one California store, with people lining up to purchase 17-cent ice scrapers only to return them immediately. […] According to the Los Angeles Times, nearly one hundred people participated in the “buy-in” action."

  3. 3
    A tournament where a player must purchase all of his or her chips before the tournament starts. countable, uncountable
  4. 4
    The amount that a player buys in for countable, uncountable

    "When tournament players are eliminated but remain eager to win back their buy-in, side games often develop and upstage tournament play with limits exceeding those in the tournament."

Example

More examples

"To win, I need to get buy-in from the team to have alignment with our mission."

Etymology

Etymology 1

Deverbal from buy in.

Etymology 2

From buy + -in.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.