- buy1 W1S1 [baı] v past tense and past participle bought [bo:t US bo:t][: Old English; Origin: bycgan]1.)a) [I and T]to get something by paying money for it≠ ↑sell▪ Where did you buy that dress?▪ Ricky showed her the painting he'd bought that morning.buy sb sth▪ Let me buy you a drink.buy sth for sb/sth▪ The money will be used to buy equipment for the school.buy (sth) from sb▪ It's cheaper to buy direct from the manufacturer.buy sth for $10/£200 etc▪ Dan bought the car for $2000.▪ It's much cheaper to buy in bulk (=buy large quantities of something) .b) [T]if a sum of money buys something, it is enough to pay for it▪ $50 doesn't buy much these days.buy sb sth▪ $15 should buy us a pizza and a drink.2.) buy (sb) timeto deliberately make more time for yourself to do something, for example by delaying a decision▪ 'Can we talk about it later?' he said, trying to buy a little more time.3.) [T] informalto believe something that someone tells you, especially when it is not likely to be true▪ 'Let's just say it was an accident.' ' He'll never buy that .'4.) [T] informalto pay money to someone, especially someone in a position of authority, in order to persuade them to do something dishonest= ↑bribe▪ People say the judge had been bought by the Mafia.5.) buy sth at the cost/expense/price of sthto get something that you want, but only by losing something else▪ The town has been careful not to buy prosperity at the expense of its character.6.) sb bought itold-fashioned informal someone was killedbuy in [buy sth<=>in] phr vto buy something in large quantities▪ Companies are buying in supplies of paper, in case the price goes up.buy into [buy into sth] phr v1.) informal to accept that an idea is right and allow it to influence you▪ I never bought into this idea that you have to be thin to be attractive.2.) to buy part of a business or organization, especially because you want to control it▪ Investors were invited to buy into state-owned enterprises.buy off [buy sb<=>off] phr vto pay someone money to stop them causing trouble or threatening you= ↑bribebuy out phr v1.) buy sb/sth<=>outto buy someone's share of a business or property that you previously owned together, so that you have complete control→↑buyout2.) buy sb out of sthto pay money so that someone can leave an organization such as the army before their contract has endedbuy up [buy sth<=>up] phr vto quickly buy as much of something as possible, for example land, tickets, or goods▪ Much of the land was bought up by property developers.buy 2buy2 n [C, usually singular]1.) something that is worth buying, because it is cheap, good quality, or likely to gain in valuea good/excellent etc buy▪ The wine is a good buy at $6.50.▪ It's worth shopping around for the best buy (=what you want at the lowest price) .2.) informal an act of buying something, especially something illegal= ↑deal
Dictionary of contemporary English. 2013.