buy into something Definition

buy
verb buys, bought, buying

tr & intr
1. To obtain something by paying a sum of money for it. Opposite of sell.

Thesaurus: purchase, procure, acquire, get, obtain; Antonym: sell.
2. To be a means of obtaining something.

Example: There are some things money can't buy
Thesaurus: bribe, corrupt, influence, fix (slang).
3. To obtain something by giving up or sacrificing something else.

Example: success bought at the expense of happiness
4. colloq
To believe or accept as true.
Example: I don't buy his story
5. To bribe them.

Example: He can't be bought, he's thoroughly honest
Form: buy someone off (sometimes)

noun

1. A thing bought.

Thesaurus: purchase, bargain, steal (slang).
Form: a good buy (usually in)
Form: a bad buy

Idiom: buy time

colloq
To gain more time before a decision or action, etc is taken.

Idiom: have bought it

slang
To have been killed.

Etymology: Anglo-Saxon bycgan.

Phrasal Verb: buy something in

To buy a stock or supply of it.At an auction: to buy it back for the owner when the reserve price is not reached.

Phrasal Verb: buy into something

To buy shares or an interest in (a company, etc).

Phrasal Verb: buy someone off

To get rid of (a threatening person, etc) by paying them money.

Phrasal Verb: buy oneself out

To pay to be released from the armed forces.

Phrasal Verb: buy someone out

To pay to take over possession of something from them, especially to buy all the shares that they hold in a company. See also buy-out.

Phrasal Verb: buy something up

To buy the whole stock of it.