big business
noun /ˌbɪɡ ˈbɪznəs/
/ˌbɪɡ ˈbɪznəs/
[uncountable]- large companies that have a lot of power, considered as a group
- There are strong links between politics and big business.
- something that has become important because people are willing to spend a lot of money on it
- Health and fitness have become big business.