The client was not waiting, which could mean a number of things.

Your client is waiting for you at a restaurant across town, and you're going to be late.

I don't like to leave a client waiting alone in a cemetery.

"I'd love to, but I have a client waiting at the office."

One program works with clients waiting to get into drug treatment and has begun to improve their rate of success.

Another time, clients were waiting in each of the three salon rooms.

Said that if your client from Chicago can't wait a day or two, the hell with him!

There were two clients waiting who had to be sent away.

He said he called out the boy's name and followed them to the street but turned back because a client was waiting.

She had clients waiting, and the paycheck was dependent on keeping them happy.