buy (buys plural & 3rd person present) (buying present participle) (bought past tense & past participle )
1 verb If you buy something, you obtain it by paying money for it.
He could not afford to buy a house... V n
2 verb If you talk about the quantity or standard of goods an amount of money buys, you are referring to the price of the goods or the value of the money.
About £35,000 buys a habitable house... V n
3 verb If you buy something like time, freedom, or victory, you obtain it but only by offering or giving up something in return.
It was a risky operation, but might buy more time... V n
4 verb If you say that a person can be bought, you are criticizing the fact that they will give their help or loyalty to someone in return for money., (disapproval)
(=bribe)
Once he shows he can be bought, they settle down to a regular payment. be V-ed
5 verb If you buy an idea or a theory, you believe and accept it.
INFORMAL I'm not buying any of that nonsense. V n
Buy into means the same as buy., phrasal verb
6 n-count If something is a good buy, it is of good quality and not very expensive.
(=bargain)
This was still a good buy even at the higher price... buy into phrasal verb If you buy into a company or an organization, you buy part of it, often in order to gain some control of it. (BUSINESS)