American English
/baɪ/
One syllable.
to get something by paying money for it
Practice out loudto get something by paying money for it
I need to buy a new phone.
She bought flowers for her mother.
buy groceries · buy a ticket · buy a house · buy online
[subject] + buy + something
[subject] + buy + something + for + someone
to believe or accept an idea, excuse, or explanation
I don't buy his excuse.
Do you buy that story?
Here, buy means believe, not get something from a store.
buy an excuse · buy the story · buy the argument
[subject] + buy + something
[subject] + do not + buy + something
something that is worth the money you pay for it
That jacket was a great buy.
This laptop is a good buy.
a good buy · a great buy · a smart buy
a + good + buy
be + a + great + buy
to get more time before you must act or decide
The meeting bought us time.
to accept or believe an idea
She didn't buy into the plan.
a special offer in which you receive a second item at no extra cost
These shirts are buy one, get one free.
Use bought for past actions and after have; never say buyed.