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operating; equipped or ready to operate. We're in business now, and things are running smoothly. Now it works. Now we're in business.
If you say that you are in business, you mean that you can start doing something because you have got everything ready for it. It plugs in here, right? Okay, we're in business. Let's see how it works, guys. It'll be all right, Tony. With your man keeping tabs on her, we'll be in business the moment she makes a move.
in businessable to begin operations. informal
mod. operating; equipped to operate. Now it works. Now we’re in business.