intransitive/transitive to get something by paying money for itI need to buy some new clothes.
Now you can buy and sell shares on the Internet.
Tickets can be bought at the door.
A lot of people just come into the shop without buying.
buy something from someone/something: I bought a ball from the toy shop.
buy something off someone: I said I’d buy his bike off him.
buy someone something: He’s always buying me presents.
buy something for someone: Ed’s parents bought that new computer for him.
buy something for £50/£60 etc: They offered to buy the car for £1,000.
buy (something) in bulk: This dog food is cheaper when you buy it in bulk.
buy something (by) mail order: We buy all our software by mail order.