I do not buy it

Most Important Level 1

"I don't buy it." / "to not buy something"

Meaning: to not believe something

Similar Expressions
  • I don't buy that story.
  • I don't believe that story.
  • I don't think that story is true.
  • That story can't be true.
When do we use it?

We use this idiom to show that we do not believe something. It is appropriate to use this idiom any time we do not believe a story, excuse, or something else.

How do we use it?

We use this expression by itself after we hear something that we do not believe. Take a look at some example English conversations.

A) Mark said that his new girlfriend is a supermodel.
B) I don't buy it.

A) Henry said that he saw a UFO last night.
B) I don't buy it.

A) The report says that cows are the main cause of global warming.
B) I don't buy that report.

It is also common to use this in the present continuous form.

A) Mary said her father invented the smartphone.
B) I am not buying that.

We can emphasize this expression adding "for a second/minute".

A) This medicine can cure cancer.
B) I am not buying that for a second.

A) She said she is famous in her hometown.
B) I don't buy that for a second. She is a liar.

Adding expressions and idioms to your vocabulary will help you become a better English speaker. You do not need to learn a million expressions or idioms at one time! If you study new English expressions and idioms steadily and consistently, then your vocabulary will get better and better. Use these free English lessons to expand your vocabulary and learn useful English idioms, slang, and expressions.