# buy into

idiom

Source: https://englishreference.com/idiom/buy-into
Updated: 2026-08-10

## Meaning

To believe (something, especially something implausible); to accept (a craze, fad, or notion) as valid.

## Examples

- I do not buy into his excuses anymore.
- The company tried to sell us a new software plan, but our team refused to buy into the idea.
- While the media continues to promote the latest health craze, many skeptical scientists refuse to buy into the unproven claims.

## Origin

From buy + into.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.