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Synonyms

buy into

British  

verb

  1. to agree with or accept as valid (an argument, theory, etc)

  2. informal to get involved in (an argument, fight, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
buy into Idioms  

  1. Purchase a membership, a share, or an interest in something. For example, I'd love to buy into this partnership, but I can't afford it. [First half of 1600s]

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Corporate customers must buy into the value of Adobe’s homegrown AI solutions, rather than choosing to team up with other AI vendors.

From The Wall Street Journal • Apr. 20, 2026

It can be daunting for women to admit it was a mistake to buy into the tradwife lifestyle, especially after being warned by feminists of the risks.

From Salon • Apr. 8, 2026

OpenAI isn’t the first big nonmedia company to buy into a media product.

From Slate • Apr. 7, 2026

Bret Kenwell, a strategist at eToro, said investors still needed to buy into the idea that the conflict is nearing a conclusion.

From MarketWatch • Mar. 24, 2026

“The whole gluten-free thing. The restaurant industry just made it up so they could put another more expensive option on their menu. It’s crazy how many idiots buy into it.”

From "Red Flags and Butterflies" by Sheryl Azzam

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.