Business is work relating to the production, buying, and selling of goods or services.

Business is used when talking about how many products or services a company is able to sell. If business is good, a lot of products or services are being sold and if business is bad, few of them are being sold.

A business is an organization which produces and sells goods or which provides a service.

Business is work or some other activity that you do as part of your job and not for pleasure.

You can use business to refer to a particular area of work or activity in which the aim is to make a profit.

You can use business to refer to something that you are doing or concerning yourself with.

You can use business to refer to important matters that you have to deal with.

If you say that something is your business, you mean that it concerns you personally and that other people have no right to ask questions about it or disagree with it.

You can use business to refer in a general way to an event, situation, or activity. For example, you can say something is 'a wretched business' or you can refer to 'this assassination business'.

You can use business when describing a task that is unpleasant in some way. For example, if you say that doing something is a costly business, you mean that it costs a lot.

If two people or companies do business with each other, one sells goods or services to the other.

If you say that someone has no business to be in a place or to do something, you mean that they have no right to be there or to do it.

A company that is in business is operating and trading.

If you say you are in business, you mean you have everything you need to start something immediately.

If you say that someone means business, you mean they are serious and determined about what they are doing.

If you say to someone 'mind your own business' or 'it's none of your business', you are rudely telling them not to ask about something that does not concern them.

If you make it your business to do something, you decide to do it, because you are interested in it or because you want to find out something.

If you say that you are not in the business of doing something, you are emphasizing that you do not do it, usually when you are annoyed or surprised that someone thinks you do.

If a shop or company goes out of business or is put out of business, it has to stop trading because it is not making enough money.

If you say that someone or something is the business, you mean that they are the best of their kind.

In a difficult situation, if you say it is business as usual, you mean that people will continue doing what they normally do.