The phrase "disappointing sales" means that the amount of products or services sold is lower than expected or desired, which can be seen as a negative or unsatisfactory outcome for a business. Full definition
When discussing disappointing sales of a specific title, one of the first questions a rep will ask is if the book is on the shelf face - out. (writerunboxed.com)
If your business is dealing with disappointing sales figures, there are a few things you can do to improve team performance. (entrepreneur.com)
This is just another week of disappointing sales for me. (majornelson.com)